A woman wearing red speaks through a megaphone while walking in front of a banner.
A woman is sleeping.
One can't be speaking through a megaphone while sleeping.
exists e1 e3 e2 x1 x2 x3 x4 x5.(while(e2,e3) & in(e3,x4) & of(x4,x5) & n_banner(x5) & n_front(x4) & Actor(e3,x1) & v_walk(e3) & through(e2,x3) & n_megaphone(x3) & Actor(e2,x1) & v_speak(e2) & n_red(x1) & Actor(e1,x1) & v_wear(e1) & of(x1,x2) & n_woman(x2))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_woman(x1))