question: Which country of nationality of M4 and M5 was founded by M0 and M1 and founded by M2 and M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ^ns:people.person.nationality M4 .
  ?x0 ^ns:people.person.nationality M5 .
  ?x0 ns:organization.organization.founders M0 .
  ?x0 ns:organization.organization.founders M1 .
  ?x0 ns:organization.organization.founders M2 .
  ?x0 ns:organization.organization.founders M3
  }