A man and child enjoying a bowling game.
The man and child are playing chess.
Ones can be playing either bowling or chess.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & n_game(x4) & of(x4,x5) & n_bowling(x5) & (s1 = x3) & n_child(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 x1 x2 x3 x4.(n_child(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_chess(x4))