A group of young boys playing soccer.
Soccer is being played by some boys.
Some boys are young boys
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_soccer(x4) & (x1 = x3) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(ne_nam_soccer(x1) & Actor(e1,x2) & n_boy(x2) & Theme(e1,x1) & v_play(e1))