An older guy is playing chess with a young boy.
An old man is teaching the boy how to play chess.
It cannot be inferred that the older guy is teaching the younger boy.
exists e1 s1 s2 x1 x2 x3.(with(e1,x3) & n_boy(x3) & a_young(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_chess(x2) & n_guy(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2.(n_boy(x2) & Theme(e1,x2) & Actor(e1,x1) & v_teach(e1) & Topic(x2,p1) & exists e2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_chess(x3)) & n_man(x1) & a_old(s1) & Theme(s1,x1))