What film distributor employed M4 's director , was founded by M1 and M2 , and employed M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x1 ns:film.director.film M4
}