With  this  utility,  you  are able to extract files from any (hopefully)
Sanity's demo, and decompress them.  Those files you can, without problem
analyze in Resource(C).

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 9494   16692  56.9% -lh5- 675d Jun  8  1996 sos
[generic]                 1397    2597  53.8% -lh5- 3fda Jun  8  1996 SOS.doc
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         2 files   10891   19289  56.5%            Dec 24  1997