[Q]: Question: "Why was Southampton Water dredged?"  Context: "Town Quay is the original public quay, and dates from the 13th century. Today's Eastern Docks were created in the 1830s by land reclamation of the mud flats between the Itchen & Test estuaries. The Western Docks date from the 1930s when the Southern Railway Company commissioned a major land reclamation and dredging programme. Most of the material used for reclamation came from dredging of Southampton Water, to ensure that the port can continue to handle large ships."  Answer:
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[A]: a major land reclamation


[Q]: Question: "Where were vocals added to the piano music?"  Context: "In London Chopin took lodgings at Dover Street, where the firm of Broadwood provided him with a grand piano. At his first engagement, on 15 May at Stafford House, the audience included Queen Victoria and Prince Albert. The Prince, who was himself a talented musician, moved close to the keyboard to view Chopin's technique. Broadwood also arranged concerts for him; among those attending were Thackeray and the singer Jenny Lind. Chopin was also sought after for piano lessons, for which he charged the high fee of one guinea (£1.05 in present British currency) per hour, and for private recitals for which the fee was 20 guineas. At a concert on 7 July he shared the platform with Viardot, who sang arrangements of some of his mazurkas to Spanish texts."  Answer:
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[A]: At a concert on 7 July


[Q]: Question: "In which of the centuries mentioned here died more people?"  Context: "Glaciers end in ice caves (the Rhone Glacier), by trailing into a lake or river, or by shedding snowmelt on a meadow. Sometimes a piece of glacier will detach or break resulting in flooding, property damage and loss of life. In the 17th century about 2500 people were killed by an avalanche in a village on the French-Italian border; in the 19th century 120 homes in a village near Zermatt were destroyed by an avalanche."  Answer:
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[A]: 17th


[Q]: Question: "Which of the following does NOT own Eleven magazine, Eleven Media Group or Nok Air?"  Context: "Flights are available from most countries, though direct flights are limited to mainly Thai and other ASEAN airlines. According to Eleven magazine, "In the past, there were only 15 international airlines and increasing numbers of airlines have began launching direct flights from Japan, Qatar, Taiwan, South Korea, Germany and Singapore." Expansions were expected in September 2013, but yet again are mainly Thai and other Asian-based airlines according to Eleven Media Group's Eleven, "Thailand-based Nok Air and Business Airlines and Singapore-based Tiger Airline"."  Answer:
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[A]:
Nok Air