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 decides he wants to have something to drink. Sentence2: At first he considers drinking a glass of water. Sentence3: Eventually he decides he wants something warm to drink. Sentence4: He brews a nice pot of tea to drink. Sentence5: Fred is happy to have something to drink.
A:
Fred