Two soccer player on a green field play with a soccer ball.
No one is playing soccer on the moon today.
It can be either two soccer players or no one; on a green field or on the moon.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(x1,x3) & with(x3,x5) & n_ball(x5) & of(x5,x6) & n_soccer(x6) & n_play(x3) & of(x3,x4) & n_field(x4) & a_green(s1) & Theme(s1,x3) & n_player(x1) & of(x1,x2) & n_soccer(x2) & card_eq_2(x1))
exists x3.(n_moon(x3) & -exists e1 x1 x2 x4.(Time(e1,x4) & n_today(x4) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_one(x1)))