What company that M1 and M2 were employed by and founded did M3 , M4 , and M5 found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x0 ns:organization.organization.founders M3 .
?x0 ns:organization.organization.founders M4 .
?x0 ns:organization.organization.founders M5
}