What film distributor acquired M3 and M4 , was acquired by M1 , and was acquired by M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_distributor .
?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.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M4
}