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: Joe was hungry and wanted to make dinner. Sentence2: He put some chicken from the fridge into the microwave. Sentence3: He set the microwave to his desired time. Sentence4: All of a sudden the microwave made a huge noise. Sentence5: He had left a piece of foil in the microwave!
A:
Joe