TASK DEFINITION: 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.
PROBLEM: Sentence1: Susie was having a costume party. Sentence2: She invited all of her friends. Sentence3: She dressed up as a cat. Sentence4: Her friends loved it. Sentence5: Susie ended up winning the costume contest at the party.

SOLUTION: Susie, Her friends

PROBLEM: 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!

SOLUTION: Tio, Ina

PROBLEM: Sentence1: Nick didn't do well in school as a child. Sentence2: He dropped out of high school. Sentence3: When he grew up he decided to go to college. Sentence4: He worked very hard and made good grades. Sentence5: He graduated from college three years ago.

SOLUTION:
Nick