Detailed Instructions: 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: Belle had been blind since birth, but things were changing for her. Sentence2: Doctors were giving her a new surgery to restore her sight. Sentence3: The long operation was risky, but it worked in the end! Sentence4: Belle cried as she stepped into the sun for the first time. Sentence5: The next day she bought her first pair of sunglasses!
Solution:
Belle, Doctors