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.

Ex Input:
Sentence1: Charlie and Susan went on a date. Sentence2: They decided to eat at a nice restaurant. Sentence3: The two ordered a bottle of wine. Sentence4: Charlie ordered food for them both. Sentence5: The couple ate and drank and enjoyed themselves.

Ex Output:
Charlie, Susan

Ex Input:
Sentence1: The Smiths love the corn maze. Sentence2: They attended this past year. Sentence3: Helen was very scared. Sentence4: Ethan told her she was okay. Sentence5: They ended up bonding over that.

Ex Output:
Attended, The smiths, Bonding, Ethan, Helen, Told

Ex Input:
Sentence1: Me and all my friends went to New York this summer. Sentence2: To get there we took a bus. Sentence3: On our way there we played cards and shared riddles. Sentence4: I lost every card game we played, but I guessed every riddle. Sentence5: That was an awesome bus trip!

Ex Output:
I (myself), Friends