[Q]: Answer this question: what is a synthetic conduit?
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[A]: A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft ) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical treatments for nerve injuries .

input: Please answer the following: Answer this question: how is hydrogen produced?
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output: Currently the dominant technology for direct production is steam reforming from hydrocarbons .

Please answer this: Answer this question: what are tires made of?
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Answer: The materials of modern pneumatic tires are synthetic rubber , natural rubber , fabric and wire, along with carbon black and other chemical compounds.

Problem: Answer this question: how much is jk rowling worth?

A: The 2008 Sunday Times Rich List estimated Rowling's fortune at 560 million ($798 million), ranking her as the twelfth richest woman in the United Kingdom.

Problem: Given the question: Answer this question: where does ground pepper come from?
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The answer is:
Black pepper is native to south India , and is extensively cultivated there and elsewhere in tropical regions.

Problem: Answer this question: how long was richard nixon a president?

A:
Richard Milhous Nixon (January 9, 1913 April 22, 1994) was the 37th President of the United States , serving from 1969 to 1974, when he became the only president to resign the office.