People in colorful costumes and masks.
People asleep.
Asleep is different than in colorful costumes.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & subset_of(x4,x2) & n_mask(x4) & subset_of(x3,x2) & n_costume(x3) & a_colorful(s1) & Theme(s1,x3) & n_people(x1))
exists e1 x1.(Actor(e1,x1) & v_asleep(e1) & n_people(x1))