Predicate: erosion
Roleset id: erosion.01 , Wearing away, vncls: 45.4 47.2, framnet:
erosion.01: erode.01
Roles:
        Arg0: Causer (vnrole: 45.4-agent)
        Arg1: Substance worn away (vnrole: 45.4-patient, 47.2-theme)
Example: metaphorical erosion
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        Socialism and its erosion of the American people.
        Arg0: its
        Rel: erosion
        Arg1: of the American people