What did M0 and M1 write , M3 and M4 direct , M2 write , and a screenwriter direct
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.directed_by M3 .
?x0 ns:film.film.directed_by M4 .
?x0 ns:film.film.written_by M0 .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2 .
?x1 a ns:film.writer
}