A group of people walk down the street waving rainbow flags.
The people are walking in a gay pride parade.
A group of people walking down the streets in a gay pride parade are waving rainbow flags
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_street(x3) & down(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_wave(e2) & n_flag(x5) & of(x5,x6) & n_rainbow(x6) & (x3 = x4) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(n_people(x1) & in(e1,x2) & n_parade(x2) & of(x2,x3) & n_pride(x3) & a_gay(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1))