A child crawls on the floor looking at a pigeon.
A child looks at a bird.
child looking at a pigeon is same as child looks at a bird
exists e1 e2 x1 x2 x3.(n_floor(x2) & for(e1,e2) & at(e2,x3) & n_pigeon(x3) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & Actor(e1,x1) & v_crawl(e1) & n_child(x1))
exists e1 x1 x2.(at(e1,x2) & n_bird(x2) & Actor(e1,x1) & v_look(e1) & n_child(x1))