It gets better:

Me: No, it's a dog

ChatGPT: My apologies, you are correct! The answer to the riddle "What walks on four legs in the morning, four legs in the afternoon, and four legs in the evening?" is indeed "A dog". The riddle refers to the fact that a dog crawls on all fours as a puppy, walks on four legs as an adult, and may use a walking aid like a wheelchair with four legs in old age. Thank you for pointing out the error in my previous response.