Children playing on a rope jungle gym.
A monkey is playing on a slide in the park.
A child is not a monkey.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x3) & n_gym(x3) & of(x3,x5) & n_jungle(x5) & of(x3,x4) & n_rope(x4) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
exists e1 x1 x2 x3.(n_park(x3) & in(e1,x3) & on(e1,x2) & n_slide(x2) & Actor(e1,x1) & v_play(e1) & n_monkey(x1))