[Q]: Extract the answer to the question from the following context. Question: When did the terminus open? Context: The city's first bus rapid transit line, the Metrobus, began operation in June 2005, along Avenida Insurgentes. Line 2 opened in December 2008, serving Eje 4 Sur, line 3 opened in February 2011, serving Eje 1 Poniente, and line 4 opened in April 2012 connecting the airport with San Lazaro and Buenavista Station at Insurgentes. As the microbuses were removed from its route, it was hoped that the Metrobus could reduce pollution and decrease transit time for passengers. In June 2013, Mexico City's mayor announced two more lines to come: Line 5 serving Eje 3 Oriente and Line 6 serving Eje 5 Norte. As of June 2013, 367 Metrobus buses transported 850,000 passengers daily.
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[A]: June 2005

[Q]: Extract the answer to the question from the following context. Question: What does the power gain represent? Context: Antennas are characterized by a number of performance measures which a user would be concerned with in selecting or designing an antenna for a particular application. Chief among these relate to the directional characteristics (as depicted in the antenna's radiation pattern) and the resulting gain. Even in omnidirectional (or weakly directional) antennas, the gain can often be increased by concentrating more of its power in the horizontal directions, sacrificing power radiated toward the sky and ground. The antenna's power gain (or simply "gain") also takes into account the antenna's efficiency, and is often the primary figure of merit.
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[A]: merit

[Q]: Extract the answer to the question from the following context. Question: what is the first word in the second paragraph? Context: Some of Nasser's liberal and Islamist critics in Egypt, including the founding members of the New Wafd Party and writer Jamal Badawi, dismissed Nasser's popular appeal with the Egyptian masses during his presidency as being the product of successful manipulation and demagoguery. Egyptian political scientist Alaa al-Din Desouki blamed the 1952 revolution's shortcomings on Nasser's concentration of power, and Egypt's lack of democracy on Nasser's political style and his government's limitations on freedom of expression and political participation.
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[A]: political

[Q]: Extract the answer to the question from the following context. Question: Which is not a person: Ahmed, DCT, or Rao? Context: Today, nearly all commonly used video compression methods (e.g., those in standards approved by the ITU-T or ISO) apply a discrete cosine transform (DCT) for spatial redundancy reduction. The DCT that is widely used in this regard was introduced by N. Ahmed, T. Natarajan and K. R. Rao in 1974. Other methods, such as fractal compression, matching pursuit and the use of a discrete wavelet transform (DWT) have been the subject of some research, but are typically not used in practical products (except for the use of wavelet coding as still-image coders without motion compensation). Interest in fractal compression seems to be waning, due to recent theoretical analysis showing a comparative lack of effectiveness of such methods.
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[A]:
DCT