question: What company whose employee and founder was employed by and founded M2 did M1 acquire
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:business.employer .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x1 ns:organization.organization_founder.organizations_founded M2 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M2
  }