a young boy and a playing chess outside.
A young boy is winning.
They are only playing, and the young may be winning.
exists s1 s2 s3 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(s3,x4) & a_outside(s3) & (x2 = x4) & n_chess(x2) & of(x2,x3) & n_playing(x3) & subset_of(x1,s1) & n_boy(x1) & a_young(s2) & Theme(s2,x1))
exists e1 s1 x1.(Actor(e1,x1) & v_win(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))