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This can be an example of nostalgia. (Nostalgia is a sentimental longing or wistful affection for the past, typically for a period or place with happy personal associations according to Oxford Dictionaries)
I would save a doctor on a lifeboat because if anyone was injured or hurt in the ship wreckage and you were in the middle of the sea, they could provide much needed emergency medical assistance.
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Aunt Edith gets upset after she offers Avery and Fern pie because Avery is being ungrateful and lets the frog he's holding hop around the kitchen, making her angry.
Your answer is: Avery is ungrateful
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