It worked great for years. 2. 3. Recently, however, the engineer who told me this story let me know there was a happy ending. Do I qualify?
the agent is interested in statistics.
( z0 interest :ARG1 ( z1 agent ) :ARG2 ( z2 statistics ) )
(z0 / interest-01
    :ARG1 (z1 / agent)
    :ARG2 (z2 / statistics))
the agent is interested in statistics .
z0 :ARG1 z1
z0 :ARG2 z2