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: Sarah was just a young toddler. Sentence2: Her parents couldn't afford to buy her many things. Sentence3: One day while shopping sarah asks for a toy. Sentence4: An old man overhears her parents deny her the toy. Sentence5: The old man decided to buy and give Sarah the toy in the parking lot.
A:
Sarah, Old man, Parents