Predicate: refine
refine: Frames file for 'refine' based on survey of sentences in the WSJ
corpus.
Roleset id: refine.01 , to purify, vncls: , framnet:
Roles:
        Arg0: purifier, agent
        Arg1: entity refined
        Arg2: impurities
Example: passive
        person: ns,  tense: ns,  aspect: ns,  voice: passive,  form: participle
        At the same time , moves toward tighter air-quality standards are spurring interest in lighter or alternative fuels that [*T*-1] do n't pollute as much as fuel-1 refined [*]-1 from `` heavy '' crudes , generally high in sulfur .
        Rel: refined
        Arg1: [*]
        Arg2: from `` heavy '' crudes , generally high in sulfur
Example: transitive
        person: third,  tense: present,  aspect: progressive,  voice: active,  form: participle
        ERC International Inc. , which [*T*-1] provides professional and technical services to the military , is refining its defense niche , not retreating from it .
        Arg0: ERC International Inc. , which [*T*-1] provides professional and technical services to the military ,
        Rel: refining
        Arg1: its defense niche