question: What company whose employee and founder edited M2 , M3 , and M4 employed M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:business.employer .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x1 ns:film.editor.film M2 .
  ?x1 ns:film.editor.film M3 .
  ?x1 ns:film.editor.film M4
  }