Teenagers are looking out the window of a bus.
A woman looks at her baby.
People cannot be teenagers and a woman at the same time. One cannot be looking out the window and at her baby at the same time.
exists e1 x1 x2 x3.(n_window(x2) & out(e1,x2) & of(x2,x3) & n_bus(x3) & Actor(e1,x1) & v_look(e1) & n_teenager(x1))
exists e1 x1 x2.(at(e1,x2) & n_baby(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_look(e1) & n_woman(x1))