What did M1 's employer distribute and M0 's employer distribute
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x1 .
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x2 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person M1
}