A pep band in red and white uniform is playing while seated in a stadium.
A band plays during time out at a game.
Just because the musicians perform at a sports arena, it doesn't mean that it is they are doing it during time out.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & in(e1,x6) & n_stadium(x6) & Theme(e1,x5) & v_seat(e1) & (x4 = x5) & n_while(x4) & in(x1,x3) & n_uniform(x3) & a_white(s2) & Theme(s2,x3) & a_red(s1) & Theme(s1,x3) & n_band(x1) & of(x1,x2) & n_pep(x2))
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_game(x3) & a_out(s1) & Manner(e1,s1) & during(e1,x2) & n_time(x2) & Actor(e1,x1) & v_play(e1) & n_band(x1))