a little boy plays at the zoo.
The boy plays with the monkeys.
zoo. doesn't always mean  monkeys.
exists e1 s1 x1 x2.(n_zoo(x2) & at(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_monkey(x2) & n_boy(x1) & with(e1,x2) & Actor(e1,x1) & v_play(e1))