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: Katy loved to cook. Sentence2: She just finished dinner one night and decided to make a dessert. Sentence3: She picked out a recipe, but did not have all the ingredients. Sentence4: She made some substitutions that she thought would work. Sentence5: When she removed the dessert from the oven, it was not edible.
[A]: Katy

[Q]: Sentence1: My mom made pancakes for breakfast the other day. Sentence2: While she was making pancakes she ran out of pancake batter. Sentence3: I had to run to the store to get more batter. Sentence4: When I got back the pancakes she made were cold. Sentence5: I had to wait for her to make another batch before I could eat.
[A]: I (myself), My mom

[Q]: Sentence1: Nate walked down the street and stopped at a random driveway. Sentence2: Someone was throwing away a lot of old junk. Sentence3: Nate looked through the junk and found some old boots. Sentence4: He tried on the boots and they happened to fit. Sentence5: Nate wore the boots all the way home.
[A]:
Person throwing stuff away, Someone, Nate