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: Kate wanted pasta for lunch. Sentence2: But the restaurant was closed due to a fire. Sentence3: Kate realized she only had 15 minutes left on her lunch break. Sentence4: This left her no time to go to another restaurant. Sentence5: Kate went back to work without lunch.

Ex Output:
Kate

Ex Input:
Sentence1: Alfred hated how hot the beach sand was. Sentence2: He found wearing sandals in the sand equally unpleasant. Sentence3: He was determined to invent a solution. Sentence4: Alfred devised a heat-resistant lotion for his feet. Sentence5: He tried to gather capital to bring it to market but failed.

Ex Output:
Alfred

Ex Input:
Sentence1: I quit my job today. Sentence2: Packed up all my stuff and walked out. Sentence3: My boss thought it was appropriate to be verbally abusive. Sentence4: You should've seen his face when I gave him a piece of my mind. Sentence5: He'll be meeting my lawyer soon.

Ex Output:
I (myself), Boss