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: Edward was lonely and wanted a girlfriend so he started dating. Sentence2: He went on a date with a girl named Joy. Sentence3: Edward liked her but she didn't like him so he got angry at her. Sentence4: Joy told Edward he had an anger problem and needed help. Sentence5: Edward discovered his anger prevented him from finding love.
Example Output: Joy, Edward

Example 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.
Example Output: Autistic people, Most people, Eric

Example Input: Sentence1: Bill wanted to do something special for Thanksgiving. Sentence2: Bill decided to attend the Thanksgiving parade for the first time. Sentence3: Bill loved to see the various entries in the parade. Sentence4: In addition, Bill loved to see the smiling faces along the route. Sentence5: Bill had a great time at the annual Thanksgiving parade.
Example Output:
Smiling faces, Bill, Entries