A boy in black waves his arms while other people are behind him on a field.
A boy is calling for the ball during a soccer game.
The fact that he is waving his arms doesn't mean he is necessarily calling out verbally too. We can't be sure that it's a soccer game just because they are on a field.
(-x)
exists e1 x1 x2 x3 x4.(n_ball(x2) & during(e1,x3) & n_game(x3) & of(x3,x4) & n_soccer(x4) & for(e1,x2) & Actor(e1,x1) & v_call(e1) & n_boy(x1))