Was a company whose parent acquired and was acquired by M0 M1
SELECT count(*) WHERE {
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M0 .
M1 a ns:business.employer .
M1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x0
}