Predicate: lighten
lighten: Frames file for 'lighten' based on sentences in wsj. Verbnet entry 45.4.
Roleset id: lighten.01 , (make) get lighter, vncls: 45.4, framnet:
Roles:
        Arg0: causer (vnrole: 45.4-Agent)
        Arg1: thing getting lighter (vnrole: 45.4-Patient)
        Arg2: EXT
        Arg3: start point
        Arg4: end point
Example: transitive
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: infinitive
        But the researchers found that while children's household tasks
        eased the mother's burden appreciably, [the husband's helping hand]-1
        ``appears *trace*-1 to lighten the children's load almost on a
        one-for-one basis and to reduce the wife's responsibility only
        modestly.''
        Arg0: *trace*
        Rel: lighten
        Arg1: the children's load
        ArgM-MNR: almost on a one-for-one basis
Example: with start and end point
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        John lightened his hair from raven-black to bright orange.
        Arg0: John
        Rel: lightened
        Arg1: his hair
        Arg3: from raven-black
        Arg4: to bright orange
Predicate: lighten_up
Roleset id: lighten.02 , (make) get lighter, phrasal, vncls: 45.4, framnet:
Roles:
        Arg0: causer (vnrole: 45.4-Agent)
        Arg1: thing getting lighter (vnrole: 45.4-Patient)
        Arg2: EXT
Example: ergative
        person: third,  tense: present,  aspect: progressive,  voice: active,  form: full
        ``There were no (sell) lists and the calendar is lightening up a bit.
        Arg1: the calendar
        Rel: [ lightening] [ up]
        ArgM-MNR: a bit
Roleset id: lighten.03 , become easier, vncls: 45.4, framnet:
Roles:
        Arg0: thing helping (vnrole: 45.4-Agent)
        Arg1: thing being helped (vnrole: 45.4-Patient)
Example: cf. ease
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        Investors who *trace* listened, and lightened up on stocks,
        ``have just hurt themselves,'' he says.
        Arg0: *trace*
        ArgM-RCL: who -> Investors
        Rel: [ lightened] [ up]
        Arg1: on stocks