Two ladies dancing on stage.
Two monkeys are playing on a jungle gym.
Ladies are not monkeys. Jungle gyms aren't on stages with people dancing.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stage(x3) & Actor(e1,x2) & v_dance(e1) & (x1 = x2) & n_lady(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_gym(x2) & of(x2,x3) & n_jungle(x3) & Actor(e1,x1) & v_play(e1) & n_monkey(x1) & card_eq_2(x1))