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: Anthony was riding on his skateboard. Sentence2: He decided to speed up when moving near a flight of stairs. Sentence3: However, he tripped on a side rail and fell on his face. Sentence4: I ran to him to find out what happened. Sentence5: He couldn't get up for a few minutes.
A:
Anthony, I (myself)