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.
--------
Question: Sentence1: Samantha was going out for the night. Sentence2: She needed to withdraw money. Sentence3: She went to the atm and inserted her card. Sentence4: The atm displayed an error message! Sentence5: Sam drove to the grocery store and was able to get cash back instead.

Answer: Samantha

Question: Sentence1: Simy heard her mom speaking to her grandma about a lost letter. Sentence2: She asked her mom what happened. Sentence3: Her mom said her grandma had lost a special letter from her grandpa. Sentence4: Simy felt sad but soon forgot as she played. Sentence5: While putting her toys away she found the letter on a toy shelf.

Answer: Simy, Grandpa, Mom, Grandma

Question: Sentence1: Meg put on ten pounds during her luxury vacation. Sentence2: She wasn't certain what the best way was, to take the weight off. Sentence3: She asked her doctor, who gave her a diet to follow. Sentence4: Her doctor also gave her exercise recommendations. Sentence5: Meg followed the diet, and also exercised, and lost the excess pounds!

Answer:
Meg, Doctor