A dog is playing with a hose.
A dog has a hose in it's mouth
WE don't know if the hose is in the dogs mouth.
exists e1 x1 x2.(with(e1,x2) & n_hose(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 p1 x1 x2 x3.(exists x4.((x1 = x4) & n_mouth(x4)) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & in(x3,x1) & n_thing(x1) & n_hose(x3) & (x1 = x2) & n_dog(x1))