Which company whose employee was employed by a film distributor and was employed by M2 and M3 did M1 acquire
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 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x2 a ns:film.film_distributor
}