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.
Q: Sentence1: Lucy had a job at a factory. Sentence2: Because of her work, she developed terrible carpal tunnel. Sentence3: She went to the doctor for the pain. Sentence4: The doctor tried everything, but couldn't cure her. Sentence5: She quit her job to go on disability.
A:
Lucy, Doctor