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 was walking on the football track with a friend. Sentence2: As we circled the right end of the track, I saw two kids. Sentence3: They were riding bikes down the road. Sentence4: A chain broke, and a kid went sailing in front of a car. Sentence5: I screamed as I realized it was my son.
A:
I (myself), Kids, Kid, Friend, Son