Is this right ? and what is the topic and the main idea of it ? Cats and dogs are both popular pets. But cats are nicer pets in some ways. Cats are cleaner, first of all. They stay very clean and they do not make the house dirty. Cats are also quieter than dogs. They usually do not make a lot of noise. Cats are safer, too. Dogs sometimes bite people, but cat almost never do. And finally, cats are easier to take care of. You do not have to spend much time with a cat. In fact, many cats prefer to be alone. thank you.