======5. Check Result======
element2=>start: 5. Check Result element1=>operation: FC Supplier_A Buyer_B element0=>operation: FC Supplier_A Buyer_A element2->element1 element1->element0
  1. (Job) 5. Check Result
  2. (ExecuteExternal) FC Supplier_A Buyer_B
  3. (ExecuteExternal) FC Supplier_A Buyer_A