Predicate: diffusion
Roleset id: diffusion.01 , Dispersing or spreading thinly, vncls: 45.4, framnet:
diffusion.01: diffuse.01
Roles:
        Arg0: Agent or cause (vnrole: 45.4-agent)
        Arg1: Theme, thing being diffused (vnrole: 45.4-patient)
Example: metaphorical (concept)
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        The four main elements in the diffusion of new ideas are: the innovation, communication channels, time, and the social system.
        Rel: diffusion
        Arg1: of new ideas