Who was employed by a company that M2 acquired
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:business.employer .
?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2
}