instruction:
In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
question:
passage: Today, like the currency of most nations, the dollar is fiat money, unbacked by any physical asset. A holder of a federal reserve note has no right to demand an asset such as gold or silver from the government in exchange for a note. Consequently, some proponents of the intrinsic theory of value believe that the near-zero marginal cost of production of the current fiat dollar detracts from its attractiveness as a medium of exchange and store of value because a fiat currency without a marginal cost of production is easier to debase via overproduction and the subsequent inflation of the money supply.
 question: is the united states currency backed by gold?
answer:
No


question:
passage: The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and dolphins. They have been known to attack baleen whale calves, and even adult whales. Killer whales are apex predators, as there is no animal that preys on them. Killer whales are considered a cosmopolitan species, and can be found in each of the world's oceans in a variety of marine environments, from Arctic and Antarctic regions to tropical seas--killer whales are only absent from the Baltic and Black seas, and some areas of the Arctic Ocean.
 question: are killer whales and orcas the same thing?
answer:
Yes


question:
passage: The term ``Grand Slam'' was first applied to Bobby Jones' achievement of winning the four major golf events of 1930: The Open Championship, the U.S. Open, the U.S. Amateur and the British Amateur. When Jones won all four, the sports world searched for ways to capture the magnitude of his accomplishment. Up to that time, there was no term to describe such a feat because no one had thought it possible. The Atlanta Journal's O.B. Keeler dubbed it the ``Grand Slam,'' borrowing a bridge term. George Trevor of the New York Sun wrote that Jones had ``stormed the impregnable quadrilateral of golf.'' Keeler would later write the words that would forever be linked to one of the greatest individual accomplishments in the history of sports:
 question: has anyone won all 4 majors in the same year?
answer:

Yes