A group of men play croquet.
A group of men are having fun playing a game.
The group of men may not be having fun playing croquet.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_croquet(x3) & of(x1,x2) & n_man(x2) & n_group(x1))
exists e2 e1 x1 x2 x3 x4 x5.(Theme(e2,x3) & Actor(e2,x1) & v_have(e2) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_game(x5) & (x3 = x4) & n_fun(x3) & of(x1,x2) & n_man(x2) & n_group(x1))