The dog is jumping in the air.
the dog is sleeping.
The dog can't be jumping and sleeping at the same time.
exists e1 x1 x2.(n_air(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_jump(e1))
exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_sleep(e1))