A greyhound in a race wearing a metal muzzle.
A dog racing other dogs
A greyhound in a race wearing a metal muzzle,while at the same instant this wouldnt be A dog racing other dogs
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_muzzle(x4) & of(x4,x5) & n_metal(x5) & (x2 = x3) & n_race(x2) & n_greyhound(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_race(e1) & -(x3 = x1) & n_dog(x1) & n_dog(x1) & n_dog(x3) & (x1 = x2))