Three men are playing rugby, one man is attempting to tackle the man on the opposite team who is holding the ball.
The men are on the same team.
They can't be on the same and opposite teams.
exists e2 e1 p1 s1 x1 x2 x3 x4 x6.(n_ball(x6) & n_team(x4) & a_opposite(s1) & Theme(s1,x4) & Topic(e2,p1) & Actor(e2,x3) & v_attempt(e2) & exists e4 e3 x5.(Theme(e4,x1) & Actor(e4,x3) & v_tackle(e4) & on(x1,x4) & Theme(e3,x6) & Actor(e3,x5) & v_hold(e3) & (x4 = x5)) & n_man(x1) & n_man(x1) & n_man(x3) & card_eq_1(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_rugby(x2) & card_eq_3(x1))
exists p1 s1 x1 x2.(n_team(x2) & a_same(s1) & Theme(s1,x2) & n_man(x1) & on(x1,x2))