Which star and writer of M1 was a film producer whose employer acquired M2 and M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3
}