What company that M1 and M2 were acquired by employed a screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
?x1 a ns:film.writer
}