Were M0 and M3 acquired by M1 and acquired by M2
SELECT count(*) WHERE {
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
M3 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
M3 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2
}