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 went out to get a milkshake today. Sentence2: I went to my favorite ice cream shop to get one. Sentence3: When I got there I found out that milkshakes were very expensive. Sentence4: So I decided to get a cone instead. Sentence5: The cone was very tasty.
I (myself)