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: Allie had rich parents. Sentence2: They decided to buy a plane. Sentence3: Allie was excited. Sentence4: Her parents got a deal. Sentence5: They used it right away.

Output: Parents, Allie

Input: Consider Input: Sentence1: Eric has high functioning autism. Sentence2: For the most part he can function normally. Sentence3: But sometimes he gets very angry. Sentence4: Autistic people handle anger in a different way than most people. Sentence5: The rage is a lot more intense and scary.

Output: Autistic people, Most people, Eric

Input: Consider Input: Sentence1: Justin loved to make pudding. Sentence2: He liked the kind that was made on the stove. Sentence3: He liked to heat the milk and mix the pudding into it. Sentence4: When it had cooled, he would eat the whole pan. Sentence5: Justin made the delicious treat every night.
Output: Justin