Did a parent of M0 acquire M1 , acquire M2 , and acquire M3
SELECT count(*) WHERE {
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M0
}