One boy is tackling the other while playing football.
the boys are playing a football game for their school
They may playing for fun not for their school
exists e1 e2 x1 x2 x3.(n_other(x2) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & n_football(x3) & Theme(e1,x2) & Actor(e1,x1) & v_tackle(e1) & n_boy(x1) & card_eq_1(x1))
exists e1 x1 x2 x3 x4.(n_school(x4) & of(x4,x1) & n_thing(x1) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & for(x2,x4) & n_game(x2) & of(x2,x3) & n_football(x3))