question: Was M2 distributed by a employer of M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  M2 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0
  }