Two young men are having good time.
Two kittens play with yarn.
The subjects cannot be both men and kittens.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_time(x2) & a_good(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(with(e1,x2) & n_yarn(x2) & Actor(e1,x1) & v_play(e1) & n_kitten(x1) & card_eq_2(x1))