Q: 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 two artificial Christmas Trees for my front porch. Sentence2: This year, neither one of them lit fully. Sentence3: The bottom of one tree lit up. Sentence4: The top of the other tree lit up. Sentence5: I decided to combine the two working halves into one working tree.
A:
I (myself)