Predicate: supplementation
Roleset id: supplementation.01 , Adding to, enhancing, vncls: , framnet:
supplementation.01: ~supplement.01
Roles:
        Arg0: Intentional agent
        Arg1: Thing enhanced, added to
        Arg2: The supplement itself
Example: All args
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        Their supplementation of strings in their arrangements helps set the band apart as one of today's most adventurous musical innovators.
        Arg0: Their
        Rel: supplementation
        Arg2: of strings
        Arg1: in their arrangements