<human>: What is the best way to keep a cat from scratching the sofa?
<bot>: The best way to keep a cat from scratching the sofa is to provide them with alternative scratching surfaces, such as cardboard scratchers or sisal mats. You can also try using double-sided sticky tape on the sofa and furniture legs to prevent the cats from scratching there. Additionally, you may want to consider placing some toys near the sofa that your cat might enjoy playing with instead of scratching.