Three girls on a field, one is carrying a ball.
three girls on a soccer field, one holding a ball.
Someone can carry a ball in a backpack, not just holding it in their hands.
exists e1 x1 x2 x3 x4.(rel(e1,x3) & on(x3,x4) & n_field(x4) & n_girl(x3) & card_eq_3(x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_ball(x2) & n_thing(x1) & card_eq_1(x1))
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(x1,x2) & rel(x2,x4) & Theme(e1,x6) & Actor(e1,x5) & v_hold(e1) & n_ball(x6) & (x4 = x5) & n_thing(x4) & card_eq_1(x4) & n_field(x2) & of(x2,x3) & n_soccer(x3) & n_girl(x1) & card_eq_3(x1))