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.

[EX Q]: Sentence1: I am Chinese. Sentence2: One day I was sitting on the bench in front of my building. Sentence3: A young man came by and said I looked like his father. Sentence4: He was white, however, as was his father. Sentence5: He said I just looked like his dad.
[EX A]: I (myself), Young man

[EX Q]: Sentence1: I had a glass of water. Sentence2: I thought it tasted bland. Sentence3: I opened my refrigerator. Sentence4: I found a lemon in the door. Sentence5: I squeezed lemon into my water.
[EX A]: I (myself)

[EX Q]: Sentence1: When we moved I realized I had a ton of CDs. Sentence2: I went through them and remembered buying them all. Sentence3: There were some classics and some one hit wonders. Sentence4: I picked out a few to listen in my car. Sentence5: It was fun to listen to all this old music.
[EX A]:
I (myself)