Which film editor whose employer employed M4 and M5 edited M1 and M2 and edited M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.editor .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M5
}