Given the task definition and input, reply with output. 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 wanted to try raw milk. Sentence2: Tom could not find it at any store. Sentence3: Tom asked his friends. Sentence4: His friends new a farmer and introduced them. Sentence5: Tom happily bought goat milk and loved it.
Farmer, Friends, Tom