Predicate: mask
mask: Frames file for 'mask' based on sentences in wsj and automatic
expansion via verbnet.
Roleset id: mask.01 , cover with a mask, vncls: 9.8, framnet:
Roles:
        Arg0: coverer (vnrole: 9.8-Agent)
        Arg1: thing covered (vnrole: 9.8-Destination)
        Arg2: instrument, mask (vnrole: 9.8-Theme)
Example: instrumental subject
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        Analysts said the results were as expected, but several added that
        the earnings masked underlying weaknesses in several businesses.
        Arg2: the earnings
        Rel: masked
        Arg1: underlying weaknesses in several businesses
Example: passive with instrument
        person: ns,  tense: present,  aspect: ns,  voice: passive,  form: participle
        Real estate analyst Lloyd Lynford says [the Northeast's distress]-1 is
        masked *trace*-1 by relatively low vacancy rates.
        Rel: masked
        Arg1: *trace*
        Arg2: by relatively low vacancy rates
Example: lunchtime
        John masked the bread with peanut butter.
        Arg0: John
        Rel: masked
        Arg1: the bread
        Arg2: with peanut butter