Predicate: obscure

Frames file for 'obscure' based on survey of sentences in the WSJ corpus.

Roleset id: obscure.01 , to make dim or indistinct, to conceal, vncls: 45.4

Roles:

        Arg0: agent, causer
        Arg1: entity obscured
        Arg2: obscured from

Example: all arguments

        person: ns,  tense: ns,  aspect: ns,  voice: active,  form: infinitive

        But the government now claims that [a group of company managers and lawyers]-1 engaged in an elaborate strategy [*ICH*-1] over five years [*]-1 to obscure from federal authorities the extent and details of `` widespread '' fraudulent billing practices .

        Arg0 : [*]
        Rel : obscure
        Arg2 : from federal authorities
        Arg1 : the extent and details of `` widespread '' fraudulent billing practices

Example: transitive

        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full

        The U.S. Coast Guard closed six miles of the Houston Ship Channel , where about 150 companies have operations [*T*-1] , because the thick , black smoke obscured the area .

        Arg0 : the thick , black smoke
        Rel : obscured
        Arg1 : the area