A team of dogs pulling a sled.
A cat is pulling a sled for its owner
Dogs are a different animal than a cat.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_pull(e1) & n_sled(x4) & (x2 = x3) & n_dog(x2) & n_team(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & for(x2,x3) & n_owner(x3) & of(x3,x1) & n_thing(x1) & n_sled(x2) & n_cat(x1))