Detailed Instructions: 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 played four games of speed chess with my friend Rick last week. Sentence2: Rick turned me onto chess in 1993. Sentence3: I won all four games. Sentence4: Rick said he had enough punishment for the night. Sentence5: I said I was lucky that night.
A:
I (myself), Rick