Which actor was a Italian film editor whose child was employed by M3 and M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.actor .
?x0 a ns:film.editor .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x0 ns:people.person.nationality ns:m.03rjj .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M4
}