You will be given a definition of a task first, then some input of the task.
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: Rob had had a very long day. Sentence2: He decided to take a hot bath. Sentence3: It was relaxing and made his muscles feel great. Sentence4: Rob was instantly in a better mood. Sentence5: Baths were Rob's new favorite way to relax.
Output:
Rob