Marching band holding flags entertain spectators in the bleachers.
The marching band is performing during half-time at the big football game.
Holding flags to entertain people in the bleachers does not imply it is during a half-time show or that it is a football game.
exists e2 e1 e3 x1 x2 x3 x4.(n_bleacher(x4) & in(e3,x4) & Theme(e3,x3) & Actor(e3,x1) & v_entertain(e3) & n_spectator(x3) & n_flag(x1) & Actor(e2,x1) & v_hold(e2) & of(x1,x2) & n_band(x2) & Actor(e1,x1) & v_march(e1))
exists e1 s1 x1 x2 x3 x4 x5.(n_game(x4) & of(x4,x5) & n_football(x5) & a_big(s1) & Theme(s1,x4) & n_band(x1) & of(x1,x2) & n_marching(x2) & at(e1,x4) & during(e1,x3) & n_half-time(x3) & Actor(e1,x1) & v_perform(e1))