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: George and Layla loved each other, but were with different people. Sentence2: Layla broke up with her boyfriend, but George was engaged. Sentence3: One night they couldn't resist and finally hooked up. Sentence4: George felt dreadful and told his fiance about the incident. Sentence5: The bride broke the engagement and ended their relationship.

Ex Output:
Fiance, George, Layla, Boyfriend

Ex Input:
Sentence1: Skip is has a miserable marriage. Sentence2: He asks his wife for a divorce. Sentence3: She agrees. Sentence4: They both sign divorce papers. Sentence5: Skip is finally divorced from his wife.

Ex Output:
Skip, Wife, Divorce

Ex Input:
Sentence1: It had been raining all night. Sentence2: The rainy stopped when the sun came up. Sentence3: Martha saw a glorious rainbow at sunrise. Sentence4: She snapped a picture with her phone. Sentence5: After, she posted it on Facebook.

Ex Output:
Martha