A group of people stand while wearing bright and colorful costumes.
During Mardi Gras, a group of people wear bright and colorful costumes.
People standing while wearing bright and colorful costumes doesn't necessarily have to be only during Mardi Gras..
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 e1 s1 s2 x1 x2 x3 x4 x5.(ne_per_gras(x4) & (x4 = x5) & ne_per_mardi(x5) & during(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_costume(x3) & a_colorful(s2) & Theme(s2,x3) & a_bright(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))