Children playing football on a grassy field.
The kids are playing softball
Playing football is not the same thing as playing softball
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_field(x4) & a_grassy(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_football(x3) & (x1 = x2) & n_child(x1))
exists e1 x1 x2.(n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_softball(x2))