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.

[Q]: Sentence1: I needed to get groceries yesterday. Sentence2: I walked to the store instead of driving. Sentence3: On the way, I thought about what I needed to buy. Sentence4: I took my list into the store with me. Sentence5: I bought everything on the list, and had trouble carrying it home.
[A]: I (myself)

[Q]: Sentence1: Joshua moved to a new neighborhood. Sentence2: He had a lot of fun neighbors. Sentence3: He stood outside and drank a beer and talked to them. Sentence4: Then he drank a few more and talked longer. Sentence5: Soon he was out of beer and ready to go inside.
[A]: Joshua, Neighbors

[Q]: Sentence1: I walked up to the very old building. Sentence2: It was called Cat Country, and the cats were inside. Sentence3: A plaque said it was the original building. Sentence4: We walked through the doors and saw cats everywhere. Sentence5: They were huge and beautiful.
[A]:
I (myself)