Three men in black and red uniforms are playing lacrosse.
the men are practicing for the big game
There does not have to be three men.  Just because men are playing lacrosse in uniforms it does not mean they are practicing for the big game.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_lacrosse(x3) & in(x1,x2) & n_uniform(x2) & a_red(s2) & Theme(s2,x2) & a_black(s1) & Theme(s1,x2) & n_man(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(n_game(x2) & a_big(s1) & Theme(s1,x2) & n_man(x1) & for(e1,x2) & Actor(e1,x1) & v_practice(e1))