Group of people walk the streets in costumes with Asian characters on the back.
All the people are boys.
Not all the boys costumes are the same.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_back(x6) & n_street(x3) & ne_org_group(x1) & on(e1,x6) & in(e1,x4) & with(x4,x5) & n_character(x5) & a_asian(s1) & Theme(s1,x5) & n_costume(x4) & Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2))
exists x2.(n_people(x2) & all x1.((x1 = x2) -> exists p1 x3.((x1 = x3) & n_boy(x3))))