Predicate: sign
Roleset id: sign.01 , show, cause to see, vncls: 37.4
Roles:
        Arg0: shower
        Arg1: thing seen/shown
        Arg2: seer
Example: autogen1
        a warning sign to investors
        Arg1 : warning
        Rel : sign
        Arg2 : to investors
Example: autogen2
        no signs or statements from the buy-out group to indicate that
        any progress has taken place
        ArgM-NEG : no
        Rel : signs
        Arg0 : from the buy-out group
        Arg1 : to indicate that any progress has taken place