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: This morning I started my day full energy. Sentence2: I cleaned the glass coffee and lamp tables. Sentence3: I scrubbed the bathroom like it belonged in a five star hotel. Sentence4: I cooked Tuna Croquettes, Fennel rice and made a strawberry salad. Sentence5: Now it's evening and I am tired with no more energy.
Example Output: I (myself)

Example Input: Sentence1: Nora went to the dentist this week. Sentence2: She was nervous they would find cavities because she had a toothache. Sentence3: Her fears were confirmed when they found two. Sentence4: The dentist told her she'd have to schedule follow up visits. Sentence5: She's getting fillings next Wednesday.
Example Output: Nora, The dentist

Example Input: Sentence1: Jack needed to finish a project. Sentence2: He was way behind schedule. Sentence3: He knew he wouldn't be able to finish. Sentence4: On the day of the presentation Jack got in trouble. Sentence5: He almost lost his job over it.
Example Output:
Project, Job, Jack