Multi-choice problem: Continue writing the next sentence in this paragraph:

How to treat a cat with bloody diarrhea
Take the cat to the vet.
Blood in your cat's stool may be due to a variety of conditions, so you need to take your cat to the vet as soon as possible. Bloody diarrhea can lead the cat to become dehydrated.

OPT: 1). Your vet can perform various tests to determine if your cat is likely to get this condition. The vet will then be able to test for the yeast. 2). Give your cat crackers or slices of cheese to check blood levels. Do not give these foods to a cat if it's dehydrated. 3). If your cat's diarrhea is worse than normal, take it to the vet immediately. Keep the cat from drinking any red wine. 4). Bloody diarrhea may be due to minor problems, like food intolerance, or serious conditions, like cancer. The vet will complete a physical examination and take a complete medical history.
4).