Predicate: acidify
acidify: Frames file for 'acidify' based on sentences in wsj.
Roleset id: acidify.01 , make acidic, vncls: 45.4, framnet: -
acidify.01: Verbnet entry 45.4.
Roles:
        Arg0: causer of acidity, agent (vnrole: 45.4-agent)
        Arg1: thing now acidic (vnrole: 45.4-patient)
Example: adjectival-- must have trace to annotate
        person: ns,  tense: ns,  aspect: ns,  voice: passive,  form: participle
        [Four-fifths of Poland's soils]-1 have become highly acidified *trace*-1 ; 70% of
        its southern forests are projected to die by century's end.
        Argm-ext: highly
        Rel: acidified
        Arg1: *trace*-1 (= Four-fifths of Poland's soils)