Roleset obscure.01 Verbnet Class: NONE "to make dim or indistinct, to conceal":

Roles:

Arg0:agent, causer


Arg1:entity obscured


Arg2:obscured from

Examples:

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


all arguments (-)
But the government now claims that a group of company managers and lawyers engaged in an elaborate strategy [*ICH*-1] over five years [*] to obscure from federal authorities the extent and details of `` widespread '' fraudulent billing practices .
Arg0:	[*] -> a group of company managers and lawyers
REL:	obscure
Arg2-from:	federal authorities
Arg1:	the extent and details of `` widespread '' fraudulent billing practices

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


transitive (-)
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