A child is observing a chicken in a cage.
A young boy is getting ready to pet the chicken.
All children are not boys. Just because a boy is observing a chicken in a cage doesn't mean he is getting ready to pet the chicken.
exists e1 x1 x2 x3.(in(e1,x3) & n_cage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_chicken(x2) & n_child(x1))
exists e1 p1 s1 x1 x2.(n_chicken(x2) & exists s2.(to(s2,x2) & r_pet(x2) & Theme(s2,x1) & a_ready(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))