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: Spencer had a project due. Sentence2: He had not done it yet. Sentence3: He got all the stuff together for it. Sentence4: He did it quickly. Sentence5: He turned it in on time.

Output: Spencer

Input: Consider Input: Sentence1: When Lana was pregnant, she was in a car accident. Sentence2: She was taken to the hospital for x-rays. Sentence3: Months later, the baby was born with a clubfoot. Sentence4: Lana sued the hospital for giving her x-rays while pregnant. Sentence5: She received a settlement, which she put aside for her son.

Output: Baby, Lana

Input: Consider Input: Sentence1: Kelly was at a red light. Sentence2: She looked into the rear view mirror. Sentence3: She saw a car speeding toward her. Sentence4: The car slammed into Kelly's car. Sentence5: Kelly's car was totalled.
Output: Kelly, Car