A group of people walk down the street waving rainbow flags.
The people are outdoors.
A group of people who are outdoors walk down the street waving rainbow flags
exists e2 e1 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 p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))