What was a production company that was acquired by M1 , M2 , and M3 and was acquired by M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M4
}