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.

Ex Input:
Sentence1: I was going home when i decided to take a bus. Sentence2: I was alone so a woman asked me if she could sit with me. Sentence3: Then i let her sit beside me. Sentence4: When i woke up the woman was gone. Sentence5: My bag was opened so i checked my phone and it was gone too.

Ex Output:
I (myself), Woman

Ex Input:
Sentence1: Tommy wanted to fix the scratches on his car. Sentence2: The scratches came from a curb he missed last week. Sentence3: He bought some car paint from his local auto store. Sentence4: He spent a weekend covering the scratches on his car. Sentence5: Tommy's car looks brand new now.

Ex Output:
Tommy

Ex Input:
Sentence1: Sally liked to eat healthy. Sentence2: So she went to the store and bought a lot of kale. Sentence3: And then made a huge kale salad for dinner. Sentence4: But then she got sick that night. Sentence5: Sally hasn't had kale since that night.

Ex Output:
Sally