Predicate: engage
engage: Frames file for 'engage' based on sentences in financial subcorpus.
Verbnet entry amalgamate-22.2, other framed members include
confuse, incorporate, integrate, introduce, oppose and wed. How
appropriate for the last. Comparison with those.
Roleset id: engage.01 , cause to get involved, vncls: 22.2 29.2 31.1, framnet:
engage.01: The "typical example" usage is effectively "X engaged itself in Y". Bonus points for anyone who knows was coprology is.
Roles:
        Arg0: causer of engagement (vnrole: 29.2-Agent, 31.1-Cause, 22.2-Agent)
        Arg1: entity sucked in (vnrole: 29.2-Theme, 31.1-Experiencer, 22.2-Patient1)
        Arg2: thing involved in (vnrole: 29.2-Predicate, 22.2-Patient2)
Example: typical usage in financial corpus
        Some traders point out that as the big brokerage firms back out of
        program trading for their own accounts or for clients,
        opportunities increase for others to engage in the controversial
        practice.
        Arg0: others
        Rel: engage
        Arg2: in the controversial practice
Example: passivized or adjectival
        Jefferies, [a Los Angeles holding company]-1 primarily engaged *trace*-1
        in securities trading, also said stock market declines since the
        quarter ended Sept. 30 created an unrealized pretax loss of about
        $6 million in its risk arbitrage account.
        ArgM-ADV: primarily
        Rel: engaged
        Arg1: *trace*
        Arg2: in securities trading
Example: clear example of all args
        John engaged Mary in an endless discussion of coprology.
        Arg0: John
        Rel: engaged
        Arg1: Mary
        Arg2: in an endless discussion of coprology