input: Please answer the following: Generate a question about the topic "Demand curve" whose answer would be: In economics , the demand curve is the graph depicting the relationship between the price of a certain commodity and the amount of it that consumers are willing and able to purchase at that given price..
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output: when does a demand curve shift??

Please answer this: Generate a question about the topic "Myasthenia Gravis" whose answer would be: The disease incidence is 330 cases per million per year and rising as a result of increased awareness..
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Answer: how many people die from myasthenia gravis per year?

Problem: Generate a question about the topic "Add-on" whose answer would be: Add-ons for Firefox (addons.mozilla.org), the official Mozilla Foundation web site which serves as a repository of add-ons for Mozilla-based applications.

A: what are add ons?

Problem: Given the question: Generate a question about the topic "Black pepper" whose answer would be: Currently Vietnam is the world's largest producer and exporter of pepper, producing 34% of the world's Piper nigrum crop as of 2008..
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The answer is:
where does ground pepper come from?

input question: Generate a question about the topic "World War Hulk" whose answer would be: "World War Hulk" is a comic book crossover storyline that ran through a self titled limited series and various other titles published by Marvel Comics in 2007, featuring the Hulk ..???
output answer: when is world war hulk movie come?

input question: Generate a question about the topic "Windows XP" whose answer would be: Windows XP was released worldwide for retail sale on October 25, 2001, and over 400 million copies were in use in January 2006..???
output answer:
how old old is xp operating system?