Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep a macaw occupied [title] Give your parrot manipulative toys. [step] Parrots can stay occupied by playing with toys that mentally and physically stimulate them. Manipulative toys allow the parrot to move pieces or interact with the toy, which often requires the parrot to think.

Ending1: Try blocking the cage access to the cage so that your parrot does not accidentally knock the toy over. [substeps] You can purchase an effective starting 10-20-15 puzzle. Ending2: This can be especially problematic for small parrots, as they can become frustrated when they don't have anything play to do. [substeps] Ask your vet if your macaw would be interested in acting as a mobile toy for you. Ending3: To keep your parrot occupied, give it a puzzle. Ask your vet or pet store employee if a specific toy would work. Ending4: Ladders and ropes can provide physical stimulation, while puzzle toys can provide mental stimulation. Some manipulative toys allow parrots to untie knots or disassemble the toys.

Answer format: ending1/ending2/ending3/ending4