A child doing a handstand on the beach.
A girl is doing a handstand.
Not every child is a girl.
exists e1 x1 x2 x3 x4.(n_beach(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & on(x3,x4) & n_handstand(x3) & (x1 = x2) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_handstand(x2) & n_girl(x1))