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: Tom moved out to the coast. Sentence2: He experienced his first earthquake. Sentence3: It was a minor one. Sentence4: Tom freaked out. Sentence5: His friends made fun of him.

Output: Friends, Tom

Input: Consider 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.

Output: I (myself), Some people

Input: Consider Input: Sentence1: John made plans to meet with a friend on Saturday. Sentence2: But while going to their usual meeting place, he met someone. Sentence3: She was sitting right in front of him in the subway. Sentence4: They smiled and blush. Sentence5: And john forgot all about his appointment with his friend.
Output: Someone, John, Friend