Predicate: slither
slither: Frames file for 'slither' based on survey of sentences in the WSJ
corpus.
Roleset id: slither.01 , to glide or slide, vncls: 51.3.2, framnet: Self_motion
slither.01: Member of VNcls run-51.3.2.
Roles:
        Arg0: entity slithering (vnrole: 51.3.2-theme)
Example: with direction
        person: ns,  tense: past,  aspect: ns,  voice: active,  form: full
        We did n't stampede into it , we slithered and slipped down the long slope , and now we have as its quintessential symbol a former president huckstering for a foreign poohbah .
        Arg0: we
        Rel: slithered
        Argm-dir: down the long slope