Each set of identity cards can include {HEAD ~ a plurality} of {TAIL ~ cards} with identities that are either randomly unrelated to one another or related to one another by a given theme or subject matter 
of
Each set of identity cards can include { HEAD ~ a plurality } of { TAIL ~ cards } with identities that are either randomly unrelated to one another or related to one another by a given theme or subject matter
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH