Definition: 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.
Input: Sentence1: Tim was tired of how his apartment looked. Sentence2: He wanted to try something different. Sentence3: Tim spent all weekend redecorating. Sentence4: At the end he didn't like the new way. Sentence5: Tim returned it to how it used to be.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Tim