Two men stand in front of a building.
two men stand
Two men stand is the same. The first sentence is just more descriptive.
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_building(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_2(x1))