Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to tell if a cat has a sore throat [title] Notice a change in the cat's meow. [step] Your cat's meow can help you determine if they have a sore throat. Listen to them when they meow.

Ending1: You will notice different tones of their meow in different environments. [substeps] A cat with sore throat may meow intensely or complain loudly. Ending2: Their meow might sound quieter, raspier, or thinner than usual. If there is a change in the way the meow sounds or a noticeable difference in the way the cat sounds, it might point to a sore throat. Ending3: Cats meow every time they've got a sore throat, at least once or twice a day. You might hear this meow a lot. Ending4: If they do meow, then your cat has a sore throat. [substeps] Cats meow because they are in pain.

Answer format: ending1/ending2/ending3/ending4