[Q]: Formulate an answer to this elaborate question: Backmasking is a sound recording effect, that deliberately reverses which media?
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[A]: magnetic tape


[Q]: Formulate an answer to this elaborate question: In the twelfth season of "The Simpsons" who represented an American pioneer nurseryman who introduced apple trees to large parts of Pennsylvania, Ontario, Ohio, Indiana, and Illinois, as well as the northern counties of present-day West Virginia?
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[A]: Lisa


[Q]: Formulate an answer to this elaborate question: The Marble Falls, Arkansas Post Office is located in the parking lot of a defunct theme park that was based on what comic strip?
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[A]: "Li'l Abner"


[Q]: Formulate an answer to this elaborate question: David Venable is a former intelligence officer, with the United States National Security Agency, born in which city in Arkansas?
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[A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Little Rock