Two dogs on their hind legs interlocking their front legs.
Three dogs are on their hind legs
There can only be two or three dogs.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & Theme(e1,x2) & Actor(e1,x4) & v_interlock(e1) & n_leg(x2) & n_leg(x2) & of(x2,x5) & n_front(x5) & of(x2,x1) & n_thing(x1) & n_thing(x1) & (x2 = x4) & of(x2,x3) & n_hind(x3) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x2 x3.(on(x1,x2) & n_leg(x2) & of(x2,x3) & n_hind(x3) & of(x2,x1) & n_thing(x1) & n_dog(x1) & card_eq_3(x1))