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