question: What was founded by M0 and M1 , founded by M2 , and founded by a person 's British sibling
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:organization.organization.founders ?x1 .
  ?x0 ns:organization.organization.founders M0 .
  ?x0 ns:organization.organization.founders M1 .
  ?x0 ns:organization.organization.founders M2 .
  ?x1 ns:people.person.nationality ns:m.07ssc .
  ?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x2 .
  ?x2 a ns:people.person .
  FILTER ( ?x1 != ?x2 )
  }