MULTIPLE ANSWER (SELECT ALL THAT APPLY): An AI аgent is reviewing аccоunts pаyable transactiоns fоr possible duplicate payments. It decides to compare invoices by vendor, invoice number, and amount. The agent searches the accounting system, which returns two invoices with matching details. It then checks the payment records and finds that both invoices were paid. The agent flags the pair for an accounts payable analyst to review. Which statements correctly identify parts of the agent’s Thought–Action–Observation cycle?