Two men are in a band; one is playing the guitar and another is singing.
A woman is outside with a dog.
Two men cannot also be a woman
exists e1 e2 p1 x1 x2 x3 x4.(n_guitar(x3) & Actor(e2,x4) & v_sing(e2) & n_thing(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_thing(x2) & card_eq_1(x2) & exists x5.(in(x1,x5) & n_band(x5)) & n_man(x1) & card_eq_2(x1))
exists s1 x1 x2.(with(s1,x2) & n_dog(x2) & Theme(s1,x1) & a_outside(s1) & n_woman(x1))