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: I wanted to go on a cruise as I had never been on one before. Sentence2: For 2 years, I saved money every month from my paychecks. Sentence3: I went online to purchase a ticket for the cruise. Sentence4: The prices had increased dramatically compared to 2 years ago. Sentence5: I wasn't able to afford the trip, so I bought myself a tv instead.

Output: I (myself)

Input: Consider Input: Sentence1: Raj formed a band with his friends. Sentence2: They would practice in their garages. Sentence3: One day, a neighbor called to complain. Sentence4: The police told the band they'd have to quiet it down. Sentence5: The band decided to take up poetry reciting instead.

Output: Friends, Raj, Neighbor, Police

Input: Consider Input: Sentence1: I had a rolling chair. Sentence2: One day, I rolled back in it over my cat's tail. Sentence3: She was not injured badly, but she screamed very loud. Sentence4: I felt awful. Sentence5: Now I don't use the rolling chair anymore.
Output: I (myself), Cat