Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to help a vomiting cat [title] Note any changes to your cat's diet, thirst or behavior. [step] To determine why your cat is vomiting, think about changes to your cat's diet, thirst, and behavior. Start by remembering when and what your cat ate last.

Ending1: Make note of any changes since your cat started to show symptoms. [substeps] Always remember to make an emergency kit; many emergency kits are made of aluminum, glass, and vinyl. Ending2: Note if your cat is drinking more or less than usual. Also, check the litter box to see how often it has been used and if the cat has diarrhea. Ending3: If your cat has been vomiting lately, you could also try to establish some patterns or clues in order to help the cat see and recall foods during the day. [substeps] The more changes your cat's eating habits are, the more likely it will remember foods from the previous day. Ending4: Additionally, look for any other signs of kidney issues, such as vomiting. Your vet may suggest chemotherapy therapy, or probiotics, to prevent kidney failure.

Answer format: ending1/ending2/ending3/ending4