Q: 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.
Sentence1: Tom broke his leg in an accident. Sentence2: The doctor gave him some pain meds for his recovery. Sentence3: Tom took them according to the prescription. Sentence4: When he tried to stop taking them he became violently ill. Sentence5: Tom had become physically addicted to pain medication.
A:
Tom's doctor, Tom