What did a costume designer that M1 and M2 were played by and M3 and M4 were played by found
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x1 a ns:film.film_costumer_designer .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:film.actor.film/ns:film.performance.character M2 .
?x1 ns:film.actor.film/ns:film.performance.character M3 .
?x1 ns:film.actor.film/ns:film.performance.character M4
}