A basketball player is shooting a basketball.
A ball player is warming up for a game
Shooting a basketball does not always mean  a player is warming up.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_shoot(e1) & n_basketball(x3) & n_player(x1) & of(x1,x2) & n_basketball(x2))
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & for(e1,x3) & n_game(x3) & Actor(e1,x1) & v_warm(e1) & n_player(x1) & of(x1,x2) & n_ball(x2))