A man watches a dog bound through a field.
A dog is chasing a man.
If the dog is chasing a man, it can't be seen bounding through a field.
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & through(e1,x4) & n_field(x4) & Theme(e1,x3) & v_bind(e1) & (x2 = x3) & n_dog(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_man(x2) & n_dog(x1))