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 never sit in a chair normally. Sentence2: I sat down a minute ago and pulled my feet up. Sentence3: I balanced one foot underneath me. Sentence4: Then I put my knee up by my chest. Sentence5: I sat there resembling a monkey while I worked.

Output: I (myself)

Input: Consider Input: Sentence1: Sally wanted to be a court stenographer. Sentence2: She bought the recording equipment. Sentence3: She took a college course for a license. Sentence4: Finally she was qualified to be a stenographer. Sentence5: But there were no openings in the nearby courts at that time.

Output: Sally, Courts

Input: Consider Input: Sentence1: Laurie bought a new chair at the furniture store. Sentence2: Laurie wanted to bring her chair home that day. Sentence3: She asked her friend Tom if he would help her get it with his truck. Sentence4: Tom said he could help her tomorrow. Sentence5: Laurie had to wait until the next day to bring her chair home.
Output: Laurie, Tom