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: Dwight was out on his boat one day fishing. Sentence2: Despite clear weather reports, he sensed a storm approaching. Sentence3: Soon enough he was surrounded by heavy rain and high winds. Sentence4: Dwight battled for hours trying to keep his boat afloat. Sentence5: He finally made it to shore safely just as the storms were subsiding.

Output: Dwight

Input: Consider Input: Sentence1: Bob started working on Mturk to get some money. Sentence2: He needed a good place to find helpful people and good HITs. Sentence3: Bob came across a forum called the MTG. Sentence4: He talked on this forum and was very happy to be involved. Sentence5: Bob eventually game a lead moderator of the MTG!

Output: Bob, Helpful people, Lead moderator

Input: Consider Input: Sentence1: Jim really wanted a new pair of shoes. Sentence2: Eager for money, he took a local paper route. Sentence3: For five weeks, he delivered the news to his neighbors. Sentence4: Each paycheck brought him closer to his goal. Sentence5: After more than a month, he was able to buy great new sneakers!
Output: Neighbors, Jim