Detailed Instructions: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Q: Sentence1: I found out my cat is pregnant. Sentence2: I had no idea why she was making all these funny noises. Sentence3: She would hide a lot under my bed. Sentence4: A friend told me this behavior was of a pregnant animal. Sentence5: I cannot wait to see the kittens.
A:
I (myself), Friend, Cat