question: What film distributor whose founder founded M5 was acquired by M1 , acquired by M2 , and acquired by M3 and M4
query: 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.acquired_by/ns:business.acquisition.acquiring_company M3 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M4 .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x1 ns:organization.organization_founder.organizations_founded M5
  }