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.

Input: Consider Input: Sentence1: My wife used the vacuum cleaner today. Sentence2: It is very noisy. Sentence3: Our cat hates it. Sentence4: She hid under the bed for an hour after the vacuuming stopped. Sentence5: She slowly came out and is fine now.

Output: Our cat, My wife

Input: Consider Input: Sentence1: Anna was sick of her three TV channels. Sentence2: She called the cable company and made an appointment. Sentence3: Then they came to her house and set up her cable. Sentence4: She was excited to check out her new channels. Sentence5: Anna decided she was going to love having cable!

Output: Cable company, Anna

Input: Consider Input: Sentence1: In 2010 my daughter's college roommate got married. Sentence2: The wedding was in Sacramento, and a lot of college friends attended. Sentence3: My daughter saw a college friend's girlfriend cheating on him. Sentence4: She told the friend, and he confronted his girlfriend. Sentence5: The trip back to Boston was tense.
Output: Friend's girlfriend, College friends, College roommate, My daughter