Three men stand outside a building balcony in the sun.
Nobody is standing.
Either three men are standing or nobody is standing.
exists e1 x1 x2 x3 x4.(n_sun(x4) & in(e1,x4) & outside(e1,x2) & n_balcony(x2) & of(x2,x3) & n_building(x3) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_3(x1))
-exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_person(x1))