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: Joe just finished running a mile. Sentence2: And he really needed something to drink. Sentence3: He headed towards the nearest water fountain. Sentence4: But the water tasted odd and barely helped his thirst. Sentence5: When he got home, he felt very weak and sick.
A:
Joe