A man is playing tug-of-war with his dog.
This is what happens when both of them want the same toy.
The dog and man may not be tugging over a toy.
exists e1 x1 x2 x3.(with(e1,x3) & n_dog(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tug-of-war(x2) & n_man(x1))
exists p1 s1 x1 x4.(n_toy(x4) & a_same(s1) & Theme(s1,x4) & n_thing(x1) & n_thing(x1) & exists e1 p2 x2.(n_thing(x2) & (x1 = x2) & exists e2 x3.(Theme(e2,x4) & Actor(e2,x3) & v_want(e2) & of(x3,x1) & n_thing(x3)) & when(e1,p2) & Actor(e1,x2) & v_happen(e1)))