A girl prepares for practice in the gym.
the girl is a gymnast
Just because a girl prepares for practice in the gym does not mean the girl is a gymnast
exists e1 x1 x2 x3.(n_gym(x3) & for(e1,x2) & in(x2,x3) & n_practice(x2) & Actor(e1,x1) & v_prepare(e1) & n_girl(x1))
exists p1 x1.(n_girl(x1) & exists x2.((x1 = x2) & n_gymnast(x2)))