Case 1: Andrei borrowed money from Brayne, and pledged a ring with diamonds as security. They agreed that Andrei was to pay the money borrowed with interest at the end of one year. Is Andrei allowed to pay his debt and recover the ring pledged before the expiration of the one-year period?

Case 2: The defendants, as partners in the management of a coffee shop, owed the plaintiff the amount of P100,000. The trial court ordered each of the defendants liablefor the whole amount (in solidum). Partner A appealed this point. Is Partner A's appeal valid? If yes, on what legal basis?

Case 3: Annie, Benny, and Ceddy are jointly liable to give a particular vehicle worth P1.2 million in favor of Danny, Elly, Fely, and Gelly. Aannie is insolvent so the debtors cannot purchase the car to give to the creditors. Danny and Elly have renounced their