A child hidden by balls
A child hiding.
young child hidden was hiding under the balls.
exists e1 x1 x2.(Actor(e1,x2) & n_ball(x2) & Theme(e1,x1) & v_hide(e1) & n_child(x1))
exists x1 x2.(a_topic(x1) & n_hiding(x1) & of(x1,x2) & n_child(x2))