Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Hill had a very big cello. Sentence2: One day when he was playing it, it cracked. Sentence3: He was sad but he got it repaired. Sentence4: It cost a lot of money but it was worth it. Sentence5: Finally, Hill was able to play on his cello.
Student:
Hill