Predicate: stiffening
Roleset id: stiffening.01 , Becoming or causing to become stiff, vncls: 45.4, framnet: -
stiffening.01: ~stiffen-v.01. Corresponds to VNcls other_cos-45.4.
Roles:
        Arg0: Cause of stiffness (vnrole: 45.4-agent)
        Arg1: Newly stiff thing (vnrole: 45.4-patient)
Example: Arg1
        person: ns,  tense: ns,  aspect: ns,  voice: ns,  form: ns
        After years of rheumatoid arthritis, the stiffening of Nigel's joints had become quite severe.
        Rel: stiffening
        Arg1: of Nigel's joints