Given the task definition and input, reply with output. 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: Eric lived alone. Sentence2: He had two bedrooms in his apartment. Sentence3: He wanted to turn the second bedroom into an office. Sentence4: Eric gave away the bed in the second room. Sentence5: He bought a desk for his office.
Eric