question: What was founded by M1 's employee and founder and founded by M0 's employee and founder
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:organization.organization.founders ?x1 .
  ?x0 ns:organization.organization.founders ?x2 .
  ?x1 ns:organization.organization_founder.organizations_founded M0 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x2 ns:organization.organization_founder.organizations_founded M1 .
  ?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1
  }