Predicate: prevent
prevent: Frames file for 'prevent' based on survey of initial sentences of
big corpus and comparison with 'stop' and 'force' and 'keep_from'
Roleset id: prevent.01 , stop, prevent, vncls: 67, framnet:
prevent.01: Note that the instrument can appear in subject position as well
("Minumum roof-crush standards could prevent many of these
fatalities.") This means there is a de facto intentionality or
animacy criterion for agenthood.
Roles:
        Arg0: Agent, intentional/animate (vnrole: 67-agent)
        Arg1: Theme (action or object being prevented) (vnrole: 67-theme)
        Arg2: secondary predication or action (vnrole: 67-theme)
        Arg3: instrument
Example: simple transitive
        She-1 wanted *trace*-1 to prevent the damage to self-esteem that her
        low-ability students would suffer from doing badly on the test.
        Arg0: *trace*
        Rel: prevent
        Arg1: the damage to self-esteem that her low-ability students would suffer from doing badly on the test
Example: secondary predicate
        Lawyers-1 seek *trace-1* to prevent the client from *trace-2*
        committing a criminal act.
        Arg0: *trace-1*
        Rel: prevent
        Arg1: the client
        Arg2-from: *trace-2* committing a criminal act.
Example: with instrument
        We could prevent many of these fatalities with minimum roof-crush
        standards.
        Arg0: We
        Argm-mod: could
        Rel: prevent
        Arg1: many of these fatalities
        Arg3: with minimum roof-crush standards.
Example: instrument as subject
        person: third,  tense: past,  aspect: ns,  voice: ns,  form: participle
        Steel jackets of a type that-1 *trace*-1may have prevented collapse of the columns of a 1.5-mile stretch of the Nimitz Freeway had been installed on at least a small test section of the double - decker highway
        Arg3: *trace*-1: that (steel jackets)
        Argm-mod: may
        Rel: prevented
        Arg1: collapse of the columns of a 1.5-mile stretch of the Nimitz Freeway