A group of youths march down the street waving flags showing the color spectrum.
The youth are sleeping.
To march is being active and not sleeping.
exists e3 e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_spectrum(x7) & of(x7,x8) & n_color(x8) & n_street(x3) & down(e1,x3) & Theme(e3,x5) & Actor(e3,x4) & v_wave(e3) & Theme(e2,x7) & Actor(e2,x6) & v_show(e2) & (x5 = x6) & n_flag(x5) & (x3 = x4) & Actor(e1,x1) & v_march(e1) & of(x1,x2) & n_youth(x2) & n_group(x1))
exists e1 x1.(n_youth(x1) & Actor(e1,x1) & v_sleep(e1))