A group of musicians are performing together in costume.
People are wearing costumes and performing.
A group of musicians are performing together
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_costume(x3) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & n_musician(x2) & n_group(x1))
exists e1 e2 x1 x2 x3.(Actor(e2,x3) & v_perform(e2) & n_people(x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_costume(x2) & n_people(x1))