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: Rachel was riding her new bike for the first time. Sentence2: She was excited to try it. Sentence3: She took off the training wheels and hopped on. Sentence4: As she got on, she immediately lost balance and fell. Sentence5: She scraped her knee but thankfully it was benign.

Answer: Rachel

Question: Sentence1: Jane walked into the home improvement store, ready to complain. Sentence2: Her new lawn mower would not crank, so she brought it back. Sentence3: She talked to the clerk, who asked for her receipt. Sentence4: She gave him the receipt, and she exchanged the mower for a new one. Sentence5: Jane took the new mower home, and it cranked immediately.

Answer: Jane, Clerk

Question: Sentence1: Carl is scared of swimming. Sentence2: Carl doesn't know how to swim. Sentence3: A friend went with Carl to the pool to teach him. Sentence4: Carl almost drowned and his friend saved him. Sentence5: Carl vowed to never go swimming again.

Answer:
A friend, Carl