What was edited by a art director of M1 and M2 and produced by a company
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x2 .
?x1 ns:film.film_art_director.films_art_directed M1 .
?x1 ns:film.film_art_director.films_art_directed M2 .
?x2 a ns:business.employer
}