Who was employed by a production company that was acquired by M5 , employed by M1 , and employed by M2 and 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 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x1 a ns:film.production_company .
?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M5
}