Did M2 's founder 's employer acquire M0 and M1
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M0 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M1 .
?x1 ns:organization.organization_founder.organizations_founded M2
}