A boy is jumping into the water with a ball in his hand.
The boy is in the pool and trowing the ball with his friends.
The boy having a ball in his hands does not describe him throwing it with his friends.
exists e1 x1 x2 x3 x4.(n_hand(x4) & of(x4,x2) & n_male(x2) & n_water(x2) & with(e1,x3) & in(x3,x4) & n_ball(x3) & into(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1))
exists p1 x1 x3 x5 x6.(n_friend(x6) & of(x6,x5) & n_male(x5) & n_ball(x5) & n_pool(x3) & n_boy(x1) & exists e1 x2 x4.(in(x1,x2) & subset_of(e1,x2) & with(e1,x6) & Theme(e1,x5) & Actor(e1,x4) & v_trow(e1) & n_thing(x4) & subset_of(x3,x2)))