Predicate: coarsen
coarsen: Frames file for 'coarsen' based on internet usage examples,
automatic expansion via verbnet. VN class 45.4.
Roleset id: coarsen.01 , (cause to) be more coarse, vncls: 45.4, framnet:
coarsen.01: Frame by Claire
Roles:
        Arg0: causer of coarseness (vnrole: 45.4-Agent)
        Arg1: thing getting coarse (vnrole: 45.4-Patient)
        Arg2: instrument or manner if separate from arg 0 (vnrole: 45.4-Instrument)
Example: All arguments, slippery new shoes
        Mary coarsened the bottoms of her new high heels with her pet rock.
        Arg0: Mary
        Rel: coarsened
        Arg1: the bottoms of her new high heels
        Arg2: with her pet rock