In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
One example is below.
Q: Article: There are a lot of public libraries in Britain. These libraries have more than one hundred and fifteen million books, not including those libraries of public schools. Public libraries not only lend books, music records but also help children, patients in hospitals and others to get special play readings, film shows and so on. The first public libraries were founded in about the year 1850. Today's public libraries usually have a reading-room, a lending room and a reference room. The greatest and most famous library in Britain is that of the British Library in London. It was founded in 1973 and has over 10, 000, 000 books. It has nearly every magazine, newspaper and book published in Britain and other parts across the world.
Answer: 10,000,000 or less.
A: How many books are there in the British Library?
Rationale: In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.
Q: Article: RichardSolo 1800 Rechargeable Battery In just minutes a day, plug in and charge your iPhone quickly! Just plug RichardSolo 1800 into your iPhone once or twice a day, for fifteen minutes, and keep your iPhone charged up. At your desk, or at dinner, plug RichardSolo into iPhone to instantly transfer change. No more battery worries. RichardSolo will charge iPhone to full 1.5 time, and it is good for 3-5 years of recharges. Use the iPhone while charging it. Even charge the RichardSolo 1800 and iPhone together at the same time. Take only one charger when traveling and wake up in the morning with the RichardSolo and the iPhone charged. RichardSolo 1800 is largest in its class and holds its charge for months. Works with almost all iPhone cases. Your satisfaction is guaranteed, with our 30-day return privilege. If you're not satisfied for any reason, we'll email you a pre-paid return label. Actual customer comments: To have your company exhibit such good service is unbelievably refreshing. ---P.S. This is what I call great customer support. I wish more companies would figure this out these days. Thank you so much.---D.C. You have provided me one of the best services I have ever seen on any online/telephone shopping.--T.K. You must have the fastest processing and shipping in the industry!!--M.C. This is the best customer service experience I have had in a long time.---L.L. I've read online about your amazing customer service, and I must say I'm now a true believer.---B.L.
Answer: 15 minutes
A:
How long does it take the battery to charge up an iPhone?