Predicate: silt_up
silt_up: Frames file for 'silt up' based on sentences in wsj.
Roleset id: silt.01 , fill with silt, vncls: , framnet: -
silt.01: No Verbnet entry.
Roles:
        Arg0: cause of silting (but not the silt itself), agent
        Arg1: container, river, harbor, etc.
Example: usually unaccusative
        person: ns,  tense: past,  aspect: perfect,  voice: active,  form: participle
        But then it turned out that President Siad Barrah was not at all a
        nice person and the Navy pointed out that the base he promised us
        in Berbera had silted up about a hundred years ago and anyway was
        1,244 miles from the mouth of the Gulf.
        Arg1: the base he promised us in Berbera
        Rel: [ silted] [ up]
        Argm-tmp: about a hundred years ago