A white dog has its head on the ground.
A dog is outside.
Just because a dog has his head on the ground doesn't mean he will be outside.
exists e1 s1 x1 x2 x3.(n_ground(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_head(x2) & of(x2,x1) & n_thing(x1) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_dog(x1))