Two men play lacrosse or field hockey.
Two men play a game with a ball.
Lacrosse requires a ball.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & (n_lacrosse(x2) | exists x3.(n_hockey(x2) & of(x2,x3) & n_field(x3))) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & with(x2,x3) & n_ball(x3) & n_game(x2) & n_man(x1) & card_eq_2(x1))