Predicate: patrol
Roleset id: patrol.01 , to monitor while in motion, vncls: 35.2
Roles:
        Arg0: patroller, agent
        Arg1: area, place
Example: autogen1
        police patrols of small-business areas
        Arg0 : police
        Rel : patrols
        Arg1 : of small-business areas
Example: autogen2
        a volunteer patrol
        Arg0 : volunteer
        Rel : patrol