A dog with something pink in its mouth is looking forward.
There is something in the animal's mouth.
Something pink in its mouth clearly indicates there is something in the animal's mouth.
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 p1 x1 x3 x4.(n_mouth(x4) & of(x4,x3) & n_animal(x3) & exists x2.((x1 = x2) & in(x2,x4) & n_thing(x2)))