Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Virtually all console gaming systems of the previous generation used microprocessors developed by IBM. The Xbox 360 contains a PowerPC tri-core processor, which was designed and produced by IBM in less than 24 months. Sony's PlayStation 3 features the Cell BE microprocessor designed jointly by IBM, Toshiba, and Sony. IBM also provided the microprocessor that serves as the heart of Nintendo's new Wii U system, which debuted in 2012. The new Power Architecture-based microprocessor includes IBM's latest technology in an energy-saving silicon package. Nintendo's seventh-generation console, Wii, features an IBM chip codenamed Broadway. The older Nintendo GameCube utilizes the Gekko processor, also designed by IBM.
What did Nintendo develop for all console gaming systems of the previous generation?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Writings in Estonian became significant only in the 19th century with the spread of the ideas of the Age of Enlightenment, during the Estophile Enlightenment Period (17501840). Although Baltic Germans at large regarded the future of Estonians as being a fusion with themselves, the Estophile educated class admired the ancient culture of the Estonians and their era of freedom before the conquests by Danes and Germans in the 13th century.
Who conquered the ancient Danes?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Pesticides are substances meant for attracting, seducing, and then destroying any pest. They are a class of biocide. The most common use of pesticides is as plant protection products (also known as crop protection products), which in general protect plants from damaging influences such as weeds, fungi, or insects. This use of pesticides is so common that the term pesticide is often treated as synonymous with plant protection product, although it is in fact a broader term, as pesticides are also used for non-agricultural purposes. The term pesticide includes all of the following: herbicide, insecticide, insect growth regulator, nematicide, termiticide, molluscicide, piscicide, avicide, rodenticide, predacide, bactericide, insect repellent, animal repellent, antimicrobial, fungicide, disinfectant (antimicrobial), and sanitizer.
What item commonly used in hospitals, schools and offices is a pesticide?
A: sanitizer

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Southampton Water has the benefit of a double high tide, with two high tide peaks, making the movement of large ships easier. This is not caused as popularly supposed by the presence of the Isle of Wight, but is a function of the shape and depth of the English Channel. In this area the general water flow is distorted by more local conditions reaching across to France.
In addition to its shape, what property of the English Channel affects water flow in Southampton Water?
A:
depth