Predicate: plummet
plummet: Frames file for 'plummet' based on sentences in financial subcorpus.
Verbnet entry 45.6, other framed members include decrease and
increase, among many others. Framenet entries Scalar Position 2,
Path Shape. Comparison with 'plunge'.
Roleset id: plummet.01 , fall dramatically, vncls: 45.6, framnet:
Roles:
        Arg1: Logical subject, patient, thing falling (vnrole: 45.6-patient)
        Arg2: EXT, amount fallen (vnrole: 45.6-extent)
        Arg3: start point
        Arg4: end point, end state of arg1
        Argm: medium
Example: all args
        person: third,  tense: present,  aspect: perfect,  voice: active,  form: participle
        ...UAL stock has plummeted by 41% to 168 1/2 from 285 1/4.
        Arg1: UAL stock
        Rel: plummeted
        Arg2: by 41%
        Arg4: to 168 1/2
        Arg3: from 285 1/4
Example: with medium
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        UAL ... reversed course and plummeted in off-exchange trading
        after the 5:09 p.m. EDT announcement.
        Arg1: UAL
        Rel: plummeted
        Argm-loc: in off-exchange trading
        Argm-tmp: after the 5:09 p.m. EDT announcement
Example: different kind of end point
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        John plummeted to his death.
        Arg1: John
        Rel: plummeted
        Arg4: to his death