question: Was a company that M7 and M8 were acquired by and M2 , M3 , M4 , M5 , and M6 acquired M0
query: SELECT count(*) WHERE {
  M0 a ns:business.employer .
  M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
  M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
  M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M4 .
  M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M5 .
  M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M6 .
  M0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M7 .
  M0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M8
  }