What was written by a costume designer 's employer 's employee and written by M0
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.written_by ?x1 .
?x0 ns:film.film.written_by M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person ?x3 .
?x3 a ns:film.film_costumer_designer
}