Definition: 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.
Input: Sentence1: I went to play basketball with my friends the other day. Sentence2: We met at the gym in the afternoon to play. Sentence3: While we were playing I fell and hurt my ankle. Sentence4: It hurt so bad I had to stop playing for the day. Sentence5: Even though I hurt my ankle, I still had a lot of fun!
Output:
I (myself), My friends