EXHIBIT 10.2








                                                     As of June 30, 2000


Senior Housing Properties Trust
SPTMNR Properties Trust
Five Star Quality Care, Inc.
Shopco - AZ, LLC
Shopco - LA, LLC
Shopco - Colorado, LLC
Shopco - WI, LLC
c/o Senior Housing Properties Trust
400 Centre Street
Newton, MA  02458
Attention:  Treasurer

         Re:      Settlement  Agreement  dated March 20,  2000 (the  "Settlement
                  Agreement"),  among Senior Housing  Properties  Trust,  SPTMNR
                  Properties  Trust,  Five Star Quality Care,  Inc.,  SHOPCO-AZ,
                  LLC, SHOPCO-CA,  LLC,  SHOPCO-COLORADO,  LLC,  SHOPCO-WI,  LLC
                  (collectively,   the  "SNH  Entities"),   Mariner  Post  Acute
                  Network,  Inc.,  Grancare,  Inc., AMS Properties,  Inc. and GC
                  Health Care Centers Inc. (collectively the "Mariner Entities")

Dear Ladies and Gentlemen:

         Reference  is made to that  certain  Settlement  Agreement  referred to
above,  pursuant to which the SNH Entities and the Mariner  Entities have agreed
to the  settlement  of certain  claims.  Capitalized  terms used herein  without
definition still have the meanings ascribed thereto in the Settlement Agreement.

         The parties hereto hereby agree as follows:

         1. The term Retained  Facilities in the first  sentence of Sections 3.2
and 3.3 of the Settlement Agreement shall include the Subleased Facilities,  but
only to the  extent  that any such  tangible  or  intangible  personal  property
located at or used in connection  with the Subleased  Facilities is owned by AMS
Properties of GCIHCC.

May 24, 2000
Page 2


         2. The term Retained  Facilities  used in Section 9.4 of the Settlement
Agreement shall include the Subleased Facilities.

         3. The term Retained  Facility in the first  sentence of Section 9.5 of
the Settlement Agreement shall include the Subleased Facilities.

         4. The terms Retained  Facility and Retained  Facilities in Section 9.9
of the Settlement  Agreement shall include the Subleased  Facilities  (except to
the extent otherwise provided therein).

         5. The terms Retained Facility and Retained  Facilities in Section 9.14
(iii) and (v) of the Settlement Agreement shall include the Subleased Facilities
(except that the Mariner Entities make no  representation or warranty in Section
9.14 (iii) with respect to options or rights of first refusal,  if any, that may
be expressly provided for in the Fresno Sublease).

         6. The term  Retained  Facilities  in  Section  9.17 of the  Settlement
Agreement  shall include the Subleased  Facilities,  but only to the extent that
any of the Mariner Entities have knowledge with respect thereto.

         Notwithstanding  the  foregoing,  subject  to,  and upon the  terms and
conditions  set forth in Section 9.1 of the  Settlement  Agreement,  each of the
Mariner Entities, jointly and severally,  represent and warrant that the Mariner
Entities  have not received  from any  Subtenant  any amounts  payable under its
Sublease  with  respect to prepaid  expenses,  real  estate  charges,  municipal
charges,  or  other  related  items of  expense  attributable  to any  Subleased
Facility  allocable to the period prior to the  Effective  Time that the Mariner
Entities  have  failed  to apply to the  payment  thereof.  From and  after  the
Effective Date, the Mariner  Entities shall remit to the SNH Entities any amount
collected by the Mariner  Entities from any Subtenant  for  obligations  arising
after the Effective Date.

         7. The terms Retained Facilities and Retained Facility in Section 9.18,
10.4,  10.5,  11.2  and  12.5 of the  Settlement  Agreement  shall  include  the
Subleased Facilities.

         8. The parties hereby  acknowledge the receipt by AMS Properties,  Inc.
of the June 14, 2000 letter from Covenant Care,  the subtenant  under the Fresno
Sublease,  purporting to renew the

May 24, 2000
Page 3


Fresno  Sublease.  The  receipt of this  letter  shall not be deemed a breach of
Section 9.19 of the Settlement Agreement.

         9. The  parties  hereto  covenant  and agree  that  each of them  shall
execute,  acknowledge  and deliver (or cause to be  executed,  acknowledged  and
delivered),  from time to time at the  request  of the other  party and  without
further  consideration,  all such further  instruments of conveyance,  transfer,
assignment and further assurance,  and perform or cause to be performed all such
other acts as may be reasonably  required in order to confirm and effectuate the
transactions contemplated by the Settlement Agreement.

                                   Sincerely,



                                   SENIOR HOUSING PROPERTIES TRUST,
                                   a Maryland real estate investment trust


                                   By: /s/ Ajay Saini
                                       Its:



                                   SPTMNR PROPERTIES TRUST,
                                   a Maryland real estate investment trust


                                   By: /s/ Ajay Saini
                                       Its:



                                   FIVE STAR QUALITY CARE, INC.,
                                   a Delaware corporation


                                   By: /s/ Evrett Benton
                                       Its:



                                   SHOPCO-AZ, LLC,
                                   a Delaware limited liability company

                                       By:  Its Sole Member
                                            SHOPCO Holdings, Inc.


                                            By: /s/ Ajay Saini
                                                Ajay Saini, Treasurer

May 24, 2000
Page 4



                                   SHOPCO-CA, LLC,
                                   a Delaware limited liability company

                                       By:  Its Sole Member
                                            SHOPCO Holdings, Inc.


                                            By: /s/ Ajay Saini
                                                Ajay Saini, Treasurer



                                   SHOPCO-COLORADO, LLC,
                                   a Delaware limited liability company

                                       By:  Its Sole Member
                                            SHOPCO Holdings, Inc.


                                            By: /s/ Ajay Saini
                                                Ajay Saini, Treasurer



                                   SHOPCO-WI, LLC,
                                   a Delaware limited liability company

                                       By:  Its Sole Member
                                            SHOPCO Holdings, Inc.


                                            By: /s/ Ajay Saini
                                                Ajay Saini, Treasurer


May 24, 2000
Page 5



                                   MARINER POST-ACUTE NETWORK, INC.
                                   (f/k/a Paragon Health Network,
                                   Inc.), a Delaware corporation



                                   By:   /s/ Todd Andrews
                                         Name:
                                         Its:



                                   GRANCARE, INC.
                                   (f/k/a New GranCare, Inc.),
                                   a Delaware corporation


                                   By:  /s/ Todd Andrews
                                        Name:
                                        Its:



                                   AMS PROPERTIES, INC.,
                                   a Delaware corporation


                                   By:  /s/ Todd Andrews
                                        Name:
                                        Its:



                                   GCI HEALTH CARE CENTERS, INC,
                                   a Delaware corporation


                                   By:   /s/ Todd Andrews
                                         Name: