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: Jeff was trying to find a way to improve his cooking. Sentence2: He went to a local supermarket. Sentence3: He was walking down the isles when he found something interesting. Sentence4: It was pink salt. Sentence5: His dishes became the tastiest in the whole town.
A:
Jeff