Predicate: prevention
Roleset id: prevention.01 , Stopping in advance, vncls: 67, framnet:
prevention.01: prevent.01
Roles:
        Arg0: Intentional Agent (vnrole: 67-agent)
        Arg1: Theme (action or object being prevented) (vnrole: 67-theme)
        Arg2: Secondary predication or action
        Arg3: Instrument
Example: Instrument (Arg3) as Subject
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        Among those projects is green teas and their prevention of liver cancer.
        Arg3: their
        Rel: prevention
        Arg1: of liver cancer