Predicate: oyster
oyster: Frames file for 'oyster' based on dictionary.com. Verbnet entry 13.7. frame by Perryn
Roleset id: oyster.01 , to dredge for or gather clams, vncls: 13.7, framnet:
Roles:
        Arg0: agent or causer (vnrole: 13.7-Agent)
        Arg1: entity gathered
        Arg2: gathered into
        Arg3: beneficiary
Example: hard work
        The fisherman oystered for months, but to no avail.
        Arg0: The fisherman
        Rel: oystered
        ArgM-TMP: for months