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: Jerry asked if his friend can pay him for climbing the monkey bars. Sentence2: They agreed to hand him $10 dollars each. Sentence3: He grabbed the first bar and climbed across. Sentence4: His hand ended up slipping on one of the bars. Sentence5: He landed on the ground, with his stomach falling first.

Answer: Jerry, Friend

Question: Sentence1: Maggie's 60th Birthday is approaching. Sentence2: She is fearful of growing old. Sentence3: Watching a commercial she sees an anti-aging cream. Sentence4: Maggie reaches into her purse for her credit card. Sentence5: She purchases the cream as a birthday gift to herself.

Answer: Maggie

Question: Sentence1: It was Justin and Lisa's first anniversary and they went on a date. Sentence2: To Lisa's surprise, Justin gave her a beautiful gold necklace. Sentence3: Lisa tried it on and instantly loved the way it looked. Sentence4: She thanked Justin by giving him a kiss. Sentence5: The two walked out of the restaurant elated.

Answer:
Lisa, Justin