A dog with something pink in its mouth is looking forward.
The dog is chewing on a pink toy.
A dog with a something in its mouth does not mean it's chewing on it
exists e1 p1 x1 x2 x3 x4.(exists s1.(Theme(s1,x1) & a_forward(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & in(x2,x4) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & Time(x2,x3) & n_pink(x3) & n_thing(x2) & n_dog(x1))
exists e1 s1 x1 x2.(n_dog(x1) & on(e1,x2) & n_toy(x2) & a_pink(s1) & Theme(s1,x2) & Actor(e1,x1) & v_chew(e1))