Three athletes in red and white uniforms and helmets.
The athletes are practicing for Friday night game.
three athletes in uniform does not imply they are practicing for a game.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_helmet(x4) & n_uniform(x3) & a_white(s2) & Theme(s2,x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_red(s1) & Theme(s1,x2) & n_athlete(x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(n_athlete(x1) & for(e1,x2) & n_game(x2) & of(x2,x4) & n_night(x4) & (x2 = x3) & ne_tim_friday(x3) & Actor(e1,x1) & v_practice(e1))