Predicate: stampede
Roleset id: stampede.01 , nomlike, vncls: 53.2
Roles:
        Arg0: causer
        Arg1: entity in motion
        Arg2: purpose
Example: autogen2
        their stampede to dump takeover stocks
        Arg1 : their
        Rel : stampede
        Arg2-PRD : to dump takeover stocks
Example: autogen3
        a selling stampede
        Arg2 : selling
        Rel : stampede