Please answer this: Determine the topic of the question. Question: "what is soy made from?" Topic:
++++++++
Answer: Soybean

Please answer this: Determine the topic of the question. Question: "what is an irregular heartbeat pvc?" Topic:
++++++++
Answer: Premature ventricular contraction

Please answer this: Determine the topic of the question. Question: "what year was the 8 track invented?" Topic:
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Answer:
8-track tape