The boy is kicking a soccer ball.
The ball is big
Not all soccer balls are big.
exists e1 x1 x2 x3.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_kick(e1) & n_ball(x2) & of(x2,x3) & n_soccer(x3))
exists s1 x1.(n_ball(x1) & Theme(s1,x1) & a_big(s1))