Cats have natural instinct to look for soft ground or dirt when they want to relieve themselves. All you need to do is give them systematize crate training.Cats have natural instinct to look for soft ground or dirt when they want to relieve themselves. All you need to do is give them systematize crate training.Cats have natural instinct to look for soft ground or dirt when they want to relieve themselves. All you need to do is give them systematize crate training.