What employer of M0 acquired a actor 's employer and acquired M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?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 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 a ns:film.actor
}