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: Robert and his wife took a trip to Bermuda. Sentence2: They were at the beach one day when Robert was stung by a jellyfish. Sentence3: There wasn't anyone around to call for help. Sentence4: Robert remembered what he heard on the radio about jellyfish stings. Sentence5: He scraped the sting with a credit card to help stop the stinging.
Example Output: Anyone, Robert, Wife

Example Input: Sentence1: Janet was dating her boyfriend for a very long time. Sentence2: They were doing really well but had their doubts. Sentence3: As time went on Janet decided that they should break up. Sentence4: She asked me for advice on how to do it, but I didn't have any! Sentence5: A few weeks later she broke up with her boyfriend.
Example Output: I (myself), Janet's boyfriend, Janet

Example Input: Sentence1: I made a grilled cheese sandwich. Sentence2: I decided to spice it up with some garlic. Sentence3: The garlic was so strong that it ruined the sandwich. Sentence4: I threw it in the garbage. Sentence5: Luckily, the mice in my kitchen found it delicious.
Example Output:
I (myself)