Predicate: exploration
Roleset id: exploration.01 , explore, discover new places or things, vncls: 35.4
Roles:
        Arg0: explorer
        Arg1: thing (place, stuff) explored
Example: autogen1
        its gas exploration and production subsidiary
        Arg0 : its
        Arg1 : gas
        Rel : exploration
Example: autogen2
        gas exploration
        Arg1 : gas
        Rel : exploration