Predicate: ionize
ionize: Frames file for 'ionize' based on internet usage examples, expansion via
VN. VerbNet entry 45.4, comparison with 'sterilize.'
Roleset id: ionize.01 , convert into ions, vncls: 45.4, framnet:
Roles:
        Arg0: cause of ionization (vnrole: 45.4-Agent)
        Arg1: entity ionized (vnrole: 45.4-Patient)
Example: With cause, hydrogen
        Most of the hydrogen gas is not ionized because O and B stars are rare
        Arg1: Most of the hydrogen gas
        ArgM-NEG: not
        Rel: ionized
        ArgM-CAU: because O and B stars are rare