Did M1 acquire a parent of a production company , acquire M2 , acquire M3 , and acquire M4
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x1 a ns:film.production_company .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M4
}