A bunch of guys playing a pro game of hockey.
The guys are playing baseball.
If you are playing hockey, you are not playing baseball
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & of(x4,x5) & n_hockey(x5) & n_game(x4) & a_pro(s1) & Theme(s1,x4) & (x2 = x3) & n_guy(x2) & n_bunch(x1))
exists e1 x1 x2.(n_guy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2))