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 decided to make potato soup. Sentence2: I didn't bother cleaning the potato correctly. Sentence3: Little did I know that the potato was old. Sentence4: I drank the soup and ingested ricin from the potato. Sentence5: I was sent to the emergency room but I lived to tell the tale.
A:
I (myself)