What is the question to: "Kris Nathan Humphries (born February 6, 1985) is an American professional basketball player with the Brooklyn Nets ."? The topic is Kris Humphries.
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Answer: "who does chris humphries play for?"

Q: What is the question to: "During his first voyage in 1492, instead of reaching Japan as he had intended, Columbus landed in the Bahamas archipelago , at a locale he named San Salvador."? The topic is Christopher Columbus.
A: "where did columbus really land in 1492??"

Question: What is the question to: "Gabrielle "Coco" Bonheur Chanel (August 19, 1883 January 10, 1971) was a French fashion designer and founder of the Chanel brand."? The topic is Coco Chanel.
Answer: "what was Coco Chanel's real first name??"

[Q]: What is the question to: "Rough and Ready is a census-designated place in Nevada County, California , United States ."? The topic is Rough and Ready, California.
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[A]: "WHERE IS ROUGH AND READY, CA?"

input: Please answer the following: What is the question to: "In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom , which produces the sound of thunder, often referred to as a clap, crack, or peal of thunder."? The topic is Thunder.
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output: "what causes thunder sound?"

What is the question to: "Knocking on wood, or to touch wood, refers to the apotropaic tradition in western folklore of literally touching/knocking on wood, or merely stating that you are doing or intend same, in order to avoid " tempting fate " after making a favourable observation, a boast, or declaration concerning one's own death."? The topic is Knocking on wood.
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Answer:
"where does the expression "knocking on wood" come from?"