Four kids are jumping around and playing outside.
The four boys are playing a game.
Not all kids are boys.  Not all playing outside is playing a game.
exists e1 e2 s1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_outside(x3) & n_kid(x2) & card_eq_4(x2) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_jump(e1) & n_kid(x1) & card_eq_4(x1))
exists e1 x1 x2.(n_boy(x1) & card_eq_4(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2))