question: What distributor of M4 was acquired by M0 , acquired M2 , acquired M3 , and was acquired by M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M4 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
  ?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
  ?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3
  }