A child is in a ball pit while three adults watch her.
A child is in a deep ball pit.
It is not implied that the ball pit is deep.
exists p1 p2 x1.(exists e1 x4.(Theme(e1,x1) & Actor(e1,x4) & v_watch(e1) & n_adult(x4) & card_eq_3(x4)) & n_female(x1) & while(p1,p2) & exists x2 x3.(in(x1,x2) & n_pit(x2) & of(x2,x3) & n_ball(x3)) & n_child(x1))
exists p1 x1.(exists s1 x2 x3.(in(x1,x2) & n_pit(x2) & of(x2,x3) & n_ball(x3) & a_deep(s1) & Theme(s1,x2)) & n_child(x1))