Q: Question: "When did he discuss large scale operations for production of such vehicles?"  Context: "The Hummers that Schwarzenegger bought 1992 are so large – each weighs 6,300 lb (2,900 kg) and is 7 feet (2.1 m) wide – that they are classified as large trucks, and U.S. fuel economy regulations do not apply to them. During the gubernatorial recall campaign he announced that he would convert one of his Hummers to burn hydrogen. The conversion was reported to have cost about US$21,000. After the election, he signed an executive order to jump-start the building of hydrogen refueling plants called the California Hydrogen Highway Network, and gained a U.S. Department of Energy grant to help pay for its projected US$91,000,000 cost. California took delivery of the first H2H (Hydrogen Hummer) in October 2004."  Answer:
A: After the election

Q: Question: "If there's no road, you can walk by using your?"  Context: "The highest pub in the United Kingdom is the Tan Hill Inn, Yorkshire, at 1,732 feet (528 m) above sea level. The remotest pub on the British mainland is The Old Forge in the village of Inverie, Lochaber, Scotland. There is no road access and it may only be reached by an 18-mile (29 km) walk over mountains, or a 7-mile (11 km) sea crossing. Likewise, The Berney Arms in Norfolk has no road access. It may be reached by foot or by boat, and by train as it is served by the nearby Berney Arms railway station, which likewise has no road access and serves no other settlement."  Answer:
A: foot

Q: Question: "what was the last use of microphones mentioned?"  Context: "Eventually, when it was more common for electric recordings to be played back electrically in the 1930s and 1940s, the overall tone was much like listening to a radio of the era. Magnetic pickups became more common and were better designed as time went on, making it possible to improve the damping of spurious resonances. Crystal pickups were also introduced as lower cost alternatives. The dynamic or moving coil microphone was introduced around 1930 and the velocity or ribbon microphone in 1932. Both of these high quality microphones became widespread in motion picture, radio, recording, and public address applications."  Answer:
A: public address applications

Q: Question: "Glaciation took stuff away via?"  Context: "In the Miocene Epoch the mountains underwent severe erosion because of glaciation, which was noted in the mid-19th century by naturalist Louis Agassiz who presented a paper proclaiming the Alps were covered in ice at various intervals—a theory he formed when studying rocks near his Neuchâtel home which he believed originated to the west in the Bernese Oberland. Because of his work he came to be known as the "father of the ice-age concept" although other naturalists before him put forth similar ideas."  Answer:
A: