Two football players chase after a the ball.
The two players are on the same team.
Two football players are not necessarily on the same team.
exists x1 x2 x3 x4 x5.(n_ball(x4) & a_topic(x1) & after(x1,x4) & Time(x4,x5) & n_a(x5) & Time(x1,x3) & n_chase(x3) & n_player(x1) & of(x1,x2) & n_football(x2) & card_eq_2(x1))
exists p1 s1 x1 x2.(n_team(x2) & a_same(s1) & Theme(s1,x2) & n_player(x1) & card_eq_2(x1) & on(x1,x2))