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: Ana needed gas in her car. Sentence2: But the prices in her town were so high! Sentence3: She took a drive out the the reservation. Sentence4: There, gas was almost a dollar cheaper. Sentence5: Ana filled her tank at the reservation!

Answer: Ana

Question: Sentence1: Randy was mentally retarded from a car crash early in his life. Sentence2: Randy loved the simple pleasures in life. Sentence3: His mother would take Randy on trips. Sentence4: One day Randy and his mother took a trip to the coast of carolina. Sentence5: Randy was overjoyed when he saw the ocean for the first time.

Answer: Randy, Mother

Question: Sentence1: Rob likes comedy. Sentence2: He wants to be a stand up comedian. Sentence3: One day, he went to an open-mic night. Sentence4: He ended up getting called on stage. Sentence5: Now Rob is sure he will succeed at stand up comedy.

Answer:
Rob