Who was employed by M1 and founded a production company founded by M3 and M4 and founded by M5
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 a ns:film.production_company .
?x1 ns:organization.organization.founders M3 .
?x1 ns:organization.organization.founders M4 .
?x1 ns:organization.organization.founders M5
}