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.
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Question: Sentence1: I needed to get groceries yesterday. Sentence2: I walked to the store instead of driving. Sentence3: On the way, I thought about what I needed to buy. Sentence4: I took my list into the store with me. Sentence5: I bought everything on the list, and had trouble carrying it home.

Answer: I (myself)

Question: Sentence1: When Poppy was growing up, she had a very special doll. Sentence2: She took the doll with her everywhere. Sentence3: As she got older, her mother tried to make her give up the doll. Sentence4: Poppy hid the doll so her mother couldn't find it. Sentence5: But Poppy's dog found the doll and chewed it to pieces.

Answer: Poppy, Dog, Mother

Question: Sentence1: Ben's alarm clock started beeping at 6 in the morning. Sentence2: He hit the snooze button. Sentence3: After 10 minutes it rang again. Sentence4: He tried to turn it off but accidentally hit snooze again. Sentence5: He snoozed for another 10 minutes before getting up.

Answer:
Ben