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: Fred went on a hike by himself. Sentence2: Halfway through the hike, he saw a moose. Sentence3: The moose started walking towards him. Sentence4: Terrified, Fred sprinted back. Sentence5: He decided he was too scared to go back into the woods.
A:
Moose, Fred