Who was employed by M1 and employed by a film distributor that acquired a film distributor and acquired M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 a ns:film.film_distributor .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x2 .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x2 a ns:film.film_distributor
}