There is a toddler playing on a playground.
A man is playing chess.
A man, which refers to a grown adult male, is not the same a s a toddler which refers to a child.
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x4) & n_playground(x4) & n_play(x2) & of(x2,x3) & n_toddler(x3))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_chess(x2) & n_man(x1))