[Q]: Extract the answer to the question from the following context. Question: What was done but didn't work? Context: Airborne Interception radar (AI) was unreliable. The heavy fighting in the Battle of Britain had eaten up most of Fighter Command's resources, so there was little investment in night fighting. Bombers were flown with airborne search lights out of desperation[citation needed], but to little avail. Of greater potential was the GL (Gunlaying) radar and searchlights with fighter direction from RAF fighter control rooms to begin a GCI system (Ground Control-led Interception) under Group-level control (No. 10 Group RAF, No. 11 Group RAF and No. 12 Group RAF).
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[A]: Bombers were flown with airborne search lights out

[Q]: Extract the answer to the question from the following context. Question: What did Chopin do in order to master his style? Context: In 1841, Leon Escudier wrote of a recital given by Chopin that year, "One may say that Chopin is the creator of a school of piano and a school of composition. In truth, nothing equals the lightness, the sweetness with which the composer preludes on the piano; moreover nothing may be compared to his works full of originality, distinction and grace." Chopin refused to conform to a standard method of playing and believed that there was no set technique for playing well. His style was based extensively on his use of very independent finger technique. In his Projet de methode he wrote: "Everything is a matter of knowing good fingering ... we need no less to use the rest of the hand, the wrist, the forearm and the upper arm." He further stated: "One needs only to study a certain position of the hand in relation to the keys to obtain with ease the most beautiful quality of sound, to know how to play short notes and long notes, and [to attain] unlimited dexterity." The consequences of this approach to technique in Chopin's music include the frequent use of the entire range of the keyboard, passages in double octaves and other chord groupings, swiftly repeated notes, the use of grace notes, and the use of contrasting rhythms (four against three, for example) between the hands.
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[A]: One needs only to study a certain position of the hand in relation to the keys to obtain with ease the most beautiful quality of sound

[Q]: Extract the answer to the question from the following context. Question: What word describes the stance that would make one a target of the RCC? Context: The People's Committees led to a high percentage of public involvement in decision making, within the limits permitted by the RCC, but exacerbated tribal divisions. They also served as a surveillance system, aiding the security services in locating individuals with views critical of the RCC, leading to the arrest of Ba'athists, Marxists and Islamists. Operating in a pyramid structure, the base form of these Committees were local working groups, who sent elected representatives to the district level, and from there to the national level, divided between the General People's Congress and the General People's Committee. Above these remained Gaddafi and the RCC, who remained responsible for all major decisions.
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[A]: critical

[Q]: Extract the answer to the question from the following context. Question: Was the percentage of households in Greece with access to the Internet higher in 2006 or 2013? Context: Greece has tended to lag behind its European Union partners in terms of Internet use, with the gap closing rapidly in recent years. The percentage of households with access to the Internet more than doubled between 2006 and 2013, from 23% to 56% respectively (compared with an EU average of 49% and 79%). At the same time, there has been a massive increase in the proportion of households with a broadband connection, from 4% in 2006 to 55% in 2013 (compared with an EU average of 30% and 76%). However, Greece also has the EU's third highest percentage of people who have never used the Internet: 36% in 2013, down from 65% in 2006 (compared with an EU average of 21% and 42%).
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[A]:
2013