Predicate: parent
Roleset id: parent.01 , defrel, vncls:
Roles:
        Arg0: relation holder
        Arg1: relation receptor
        Arg3: rank
Example: autogen1
        ABC 's parent
        Arg1 : ABC 's
        Arg0 : parent
        Rel : parent
Example: autogen2
        both parents of a minor
        Arg0 : parents
        Rel : parents
        Arg1 : of a minor