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: I have a red wallet. Sentence2: My old wallet was black. Sentence3: I kept losing it because it was dark and hard to find. Sentence4: Once it was on top of my computer, camouflaged. Sentence5: I bought a red wallet because it was easier to find.
Output:
I (myself)