question: What did M0 acquire and a company that M2 and M3 acquired acquire
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x1 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
  ?x1 a ns:business.employer .
  ?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
  ?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3
  }