Predicate: acidify

Frames file for 'acidify' based on sentences in wsj. Verbnet entry 45.4.

Roleset id: acidify.01 , make acidic, vncls: 45.4

Roles:

        Arg0: causer of acidity, agent
        Arg1: thing now acidic

Example: adjectival

        person: ns,  tense: ns,  aspect: ns,  voice: passive,  form: participle

        Four-fifths of Poland's soils have become highly acidified; 70% of
        its southern forests are projected to die by century's end.

        Arg1 : Four-fifths of Poland's soils
        ArgM-EXT : highly
        Rel : acidified