What film producer was a production company that employed M2 and M3 and employed M4 and M5
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M5
}