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: Don was four years old. Sentence2: He wanted to ride in a baby stroller. Sentence3: He could no longer fit in the stroller. Sentence4: This made him angry. Sentence5: He cried because he does not want to keep growing.

Output: Don

Input: Consider Input: Sentence1: Eliza was excited to get to the dance later. Sentence2: She got her hair done and makeup done. Sentence3: She curled her hair and picked out a nice dress. Sentence4: Finally when she was ready she got in the car. Sentence5: When she got there she got many compliments.

Output: Eliza

Input: Consider Input: Sentence1: Tom was doing a report on Jewish culture. Sentence2: He decided to go to a local temple to find out more about it. Sentence3: He stayed for a sermon and talked to people there. Sentence4: Tom heard many rich experiences. Sentence5: He gave a copy of his report to everyone he interviewed.
Output: Tom