Two men are wearing black hats and carrying bagpipes.
Two men are carrying guitars.
The men cannot be carrying guitars and bagpipes at the same time.
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_carry(e2) & n_bagpipe(x4) & n_man(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_guitar(x2) & n_man(x1) & card_eq_2(x1))