Definition: 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.
Input: Sentence1: The Samson's adopted a puppy. Sentence2: They have been wanting one for a while now. Sentence3: The kids are very excited about it. Sentence4: I saw them tonight out walking the dog. Sentence5: I think I might want a puppy.
Output:
I (myself), Puppy, Kids