Cultural festival with flag being waved in front of singing crowd.
The crowd is silent in prayer.
They can't be silent and singing at the same time.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & with(x1,x3) & in(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_sing(e2) & n_crowd(x7) & (x5 = x6) & n_front(x5) & Theme(e1,x4) & v_wave(e1) & (x3 = x4) & n_flag(x3) & n_festival(x1) & (x1 = x2) & ne_nam_cultural(x2))
exists s1 x1 x2.(n_crowd(x1) & in(s1,x2) & n_prayer(x2) & Theme(s1,x1) & a_silent(s1))