question: Who was a costume designer whose employer acquired M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x0 a ns:people.person .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2
  }