question: Did M2 found a employer of M0 and M1 and found M3 and M4
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  M2 ns:organization.organization_founder.organizations_founded ?x0 .
  M2 ns:organization.organization_founder.organizations_founded M3 .
  M2 ns:organization.organization_founder.organizations_founded M4
  }