A group of people stand while wearing bright and colorful costumes.
There is a group of people wearing costumes.
Here four people wearing colorful costumes is a rephrasing of group of people wearing costumes.
exists e2 e1 s1 s2 x1 x2 x3.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_costume(x3) & a_colorful(s2) & Theme(s2,x3) & a_bright(s1) & Theme(s1,x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & of(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_costume(x5) & (x3 = x4) & n_people(x3) & n_group(x2))