Predicate: ulceration
Roleset id: ulceration.01 , Making an ulcer, vncls: , framnet:
ulceration.01: ~ulcerate.01
Roles:
        Arg0: Agent, causer of ulcers
        Arg1: Patient, thing with an ulcer
Example: Both args
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        He is interested in all of syphilis's manifestations; as much in its destruction of the bones and joints as in its ulceration of the skin.
        Arg0: its
        Rel: ulceration
        Arg1: of the skin