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