Predicate: clogging
Roleset id: clogging.02 , obstruct a passage, vncls: 9.8
Roles:
        Arg0: agent (only
        Arg1: passage
        Arg2: substance blocking passage, clog itself
Example: autogen1
        the artery-clogging hazards of tropical oils in many cookies
        Arg1 : artery-clogging
        Rel : artery-clogging
        Arg0 : of tropical oils in many cookies