Please answer this: Determine the topic of the question-answer pair. Question: "how much more time does chemo give to people with renal cancer?";  Answer: "Where the tumor is confined to the renal parenchyma, the 5-year survival rate is 60-70%, but this is lowered considerably where metastases have spread."? Topic:
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Answer: Renal cell carcinoma


Please answer this: Determine the topic of the question-answer pair. Question: "what can silk be used for?";  Answer: "Silk is a natural protein fibre , some forms of which can be woven into textiles ."? Topic:
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Answer: Silk


Please answer this: Determine the topic of the question-answer pair. Question: "what is a fret on a guitar?";  Answer: "A fret is a raised element on the neck of a stringed instrument ."? Topic:
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Answer:
Fret