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 rafted down a river in a tube. Sentence2: He saw a canoe caught in a bush down the river. Sentence3: Joe floated over to the canoe to investigate. Sentence4: There was no one in or near the canoe. Sentence5: Joe hopped into the canoe and floated down the river in it.
A:
Joe