Three children playing on a beach.
Three children are playing with beach balls outside.
Just because three children are playing on beach does not mean they are playing with beach balls outside.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1) & card_eq_3(x1))
exists e1 s1 x1 x2 x3.(a_outside(s1) & Manner(e1,s1) & with(e1,x2) & n_ball(x2) & of(x2,x3) & n_beach(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_3(x1))