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.
Problem:Sentence1: One day Jon decided to go for a walk. Sentence2: On the way, he saw a squirrel. Sentence3: He managed to get really close to it. Sentence4: But then it ran away. Sentence5: Jon laughed.
Solution:
Squirrel, Jon