Between V0 and V2, is V0 the cause?
Between V0 and V3, is V0 the cause?
Between V0 and V7, is V0 the cause?
Between V1 and V2, is V1 the cause?
Between V1 and V3, is V1 the cause?
Between V1 and V5, is V1 the cause?
Between V2 and V4, is V2 the cause?
Between V6 and V9, is V6 the cause?
