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