question: What employer of M2 , M3 , and M4 was founded by M0 , was founded by M1 , and employed M5
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
  ?x0 ns:organization.organization.founders M0 .
  ?x0 ns:organization.organization.founders M1
  }