What was written by M0 , M1 , M2 , and M3 , written by M4 , and written by M5 's sibling
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.written_by ?x1 .
?x0 ns:film.film.written_by M0 .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2 .
?x0 ns:film.film.written_by M3 .
?x0 ns:film.film.written_by M4 .
?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M5 .
FILTER ( ?x1 != M5 )
}