A man looks on while a child plays a game.
The child is playing a game
"Child plays a game" is a rephrasing of "child is playing a game".
exists e1 p1 s1 x1.(exists e2 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & n_game(x3) & n_child(x2)) & while(e1,p1) & a_on(s1) & Manner(e1,s1) & Actor(e1,x1) & v_look(e1) & n_man(x1))
exists e1 x1 x2.(n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2))