Two men play backgammon while a third looks on on a sidewalk.
Friends are playing a game.
Not all men playing games together are friends.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x4) & n_sidewalk(x4) & a_on(s2) & Manner(e1,s2) & while(e1,x3) & n_look(x3) & a_third(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_backgammon(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & n_friend(x1))