Predicate: pollution
Roleset id: pollution.01 , to contaminate, vncls: 9.8
Roles:
Arg0: causer
Arg1: entity polluted
Example: autogen1
air pollution is caused by trees
Arg1 : air
Rel : pollution
ArgSupport : caused
Arg0 : by trees
Example: autogen2
automobile pollution
Arg0 : automobile
Rel : pollution