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.

Example Input: Sentence1: I prepared for a job promotion many years ago. Sentence2: However I was passed over every time the position opened. Sentence3: I wanted to file a lawsuit but was scared I would lose. Sentence4: I filed the lawsuit anyway and some people made my life hard. Sentence5: I am glad I filed that lawsuit because I won life is good again.
Example Output: I (myself), Some people

Example Input: Sentence1: Nell was supposed to sell candy for a school fundraiser. Sentence2: She procrastinated because she hated going door to door. Sentence3: The day before the fundraiser ended, Nell broke her piggy bank. Sentence4: She counted enough money to buy a few boxes of candy. Sentence5: Sick to her stomach from candy, Nell turned in the money.
Example Output: Nell

Example Input: Sentence1: I went to my cousins house for a party. Sentence2: Her dog tried to rest on me. Sentence3: After I tried to moved it away, I started to cough. Sentence4: The coughing continued until the end of the night. Sentence5: I had to take pills in order to heal the coughing.
Example Output:
I (myself), Cousins, Pills, Until, I started