Predicate: vasoconstriction
Roleset id: vasoconstriction.01 , Constricting of a blood vessel, vncls: , framnet:
Roles:
        Arg0: causal agent
        Arg1: entity constricted (explicit blood vessel or patient)
        Arg2: EXT, amount constricted by
        Arg3: start point
        Arg4: end point