Who was a female sibling of M2 's writer 's employee
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 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 ?x1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 ns:film.writer.film M2 .
FILTER ( ?x0 != ?x1 )
}