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: Hank was at his high school basketball match. Sentence2: During half time, someone from the other team offered him candy. Sentence3: Hank gladly accepted the candy. Sentence4: But he started feeling bad when the game resumed. Sentence5: Hank regret eating the candy.
Example Output: Hank, Someone

Example Input: Sentence1: Jane passed a small park-like zoo she remembered visiting as a child. Sentence2: She turned her car into the park, feeling nostalgic. Sentence3: Jane went to see the deer, like the ones she once fed by hand. Sentence4: She saw these deer were scrawny, mangy and had terrified eyes. Sentence5: Jane wished she had never stopped the car.
Example Output: Jane, Deer

Example Input: Sentence1: Allison wanted a new piercing. Sentence2: She went to the mall to get it done. Sentence3: She was a bit nervous. Sentence4: When the lady did it, Allison was shocked. Sentence5: It did not hurt at all.
Example Output:
Allison, The lady