What cinematographer founded a employer of M1 , M2 , M3 , and M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M4
}