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: Dan felt that his life was in complete stagnation. Sentence2: He was employed in a dead end job. Sentence3: His relationship with his wife was horrible. Sentence4: He was so miserable he barely could do anything to make himself happy. Sentence5: One day, inspiration came to him, so he quit and left his wife.
Dan, Wife