A child on a fake horse ride.
A child is sitting on a chair waiting for a ride.
fake horse and chair are different objects
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_ride(x2) & of(x2,x3) & n_horse(x3) & a_fake(s1) & Theme(s1,x2) & n_child(x1))
exists e1 e2 x1 x2 x3.(for(e1,e2) & for(e2,x3) & n_ride(x3) & Actor(e2,x1) & v_wait(e2) & on(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1))