Was M2 distributed by a employer of M0 and M1
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
}