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: Tina saw that Beth had new shoes. Sentence2: She liked them so much she wanted the same ones. Sentence3: Tina asked her mom to get them for her. Sentence4: Her mom said maybe for her birthday. Sentence5: Tina was sad because she wanted them now.

Ex Output:
Beth, Tina, Her mom

Ex Input:
Sentence1: I made a grilled cheese sandwich. Sentence2: I decided to spice it up with some garlic. Sentence3: The garlic was so strong that it ruined the sandwich. Sentence4: I threw it in the garbage. Sentence5: Luckily, the mice in my kitchen found it delicious.

Ex Output:
I (myself)

Ex Input:
Sentence1: Tom had a really old car he was trying to fix up. Sentence2: He had been working on it for years. Sentence3: He was finally close to being able to drive it. Sentence4: The first time he went for a spin, another car side swiped him. Sentence5: Tom's old car was totaled.

Ex Output:
Tom