What was acquired by a company acquired by M2 and acquired by M0
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x1 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
?x1 a ns:business.employer .
?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2
}