What company that was acquired by and acquired M3 employed M2 and was founded by M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x0 ns:organization.organization.founders M1
}