A baby is sleeping on a blanket.
A baby is awake.
A baby cannot be awake and sleeping at the same time.
exists e1 x1 x2.(on(e1,x2) & n_blanket(x2) & Actor(e1,x1) & v_sleep(e1) & n_baby(x1))
exists s1 x1.(Theme(s1,x1) & a_awake(s1) & n_baby(x1))