Two dogs on their hind legs interlocking their front legs.
The dogs are doing a trick
Interlocking legs is not always a trick.
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 e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2))