sentence: Owners brush their cats to try to prevent a lot of hairballs.
sentences_before: They groom themselves by licking their fur. The cat's tongue can act as a hairbrush and can clean and untangle a cat's fur. Still, owners may buy grooming products to help the cat take care of itself. A hairball is a small amount of fur that is vomited up by animals when it becomes too big. This is quite normal.
concept_name: owner
headings: Cat Grooming