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.

Input: Consider Input: Sentence1: Yesterday I was feeling rather lazy. Sentence2: It was the weekend and I decided to stay in. Sentence3: I crawled into bed and turned on Netflix. Sentence4: I decided to watch gossip girl. Sentence5: I watched for hours to occupy myself.

Output: I (myself)

Input: Consider Input: Sentence1: Ina and her boyfriend Tio had been dating for eight years. Sentence2: Lately things had been rough, so when he asked her out, she sighed. Sentence3: She was sure they were going to break up that evening. Sentence4: But instead, Tio said he wanted to make things work with Ina! Sentence5: He said he had already scheduled, and paid for, couples counseling!

Output: Tio, Ina

Input: Consider Input: Sentence1: Eric pulled up to his friend's house. Sentence2: He knocked on the door but heard no noise inside. Sentence3: He started walking back to his car when he heard a thud. Sentence4: It was coming from his neighbor's trunk. Sentence5: Eric opened it and saw a girl in the back tied up and gagged.
Output: Eric