Did M1 acquire M2 and M3 and acquire M0 's child 's employer
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
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
}