A boy carrying a soccer ball.
Two girls are holding a soccer ball.
The soccer ball is held either by a boy or two girls, not both.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_ball(x3) & of(x3,x4) & n_soccer(x4) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_ball(x2) & of(x2,x3) & n_soccer(x3) & n_girl(x1) & card_eq_2(x1))