question: Which child of a company was M0 's country of nationality
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ^ns:people.person.nationality M0 .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 a ns:business.employer
  }