Problem: Given the question: Extract the answer to the question from the following context. Question: What precious sea stone is mentioned here? Context: St. John's is the eastern terminus of the Trans-Canada Highway, one of the longest national highways in the world. The divided highway, also known as "Outer Ring Road" in the city, runs just outside the main part of the city, with exits to Pitts Memorial Drive, Topsail Road, Team Gushue Highway, Thorburn Road, Allandale Road, Portugal Cove Road and Torbay Road, providing relatively easy access to neighbourhoods served by those streets. Pitts Memorial Drive runs from Conception Bay South, through the city of Mount Pearl and into downtown St. John's, with interchanges for Goulds, Water Street and Hamilton Avenue-New Gower Street.
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The answer is:
Pearl


Problem: Given the question: Extract the answer to the question from the following context. Question: What is Steller's jay Cyanocitta stelleri? Context: The state is also a host to a large population of birds which include endemic species and migratory species: greater roadrunner Geococcyx californianus, cactus wren Campylorhynchus brunneicapillus, Mexican jay Aphelocoma ultramarina, Steller's jay Cyanocitta stelleri, acorn woodpecker Melanerpes formicivorus, canyon towhee Pipilo fuscus, mourning dove Zenaida macroura, broad-billed hummingbird Cynanthus latirostris, Montezuma quail Cyrtonyx montezumae, mountain trogon Trogon mexicanus, turkey vulture Cathartes aura, and golden eagle Aquila chrysaetos. Trogon mexicanus is an endemic species found in the mountains in Mexico; it is considered an endangered species[citation needed] and has symbolic significance to Mexicans.
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The answer is:
birds


Problem: Given the question: Extract the answer to the question from the following context. Question: What did he train in for two weeks? Context: In February 1918, he was appointed Officer in Charge of Boys at the Royal Naval Air Service's training establishment at Cranwell. With the establishment of the Royal Air Force two months later and the transfer of Cranwell from Navy to Air Force control, he transferred from the Royal Navy to the Royal Air Force. He was appointed Officer Commanding Number 4 Squadron of the Boys' Wing at Cranwell until August 1918, before reporting to the RAF's Cadet School at St Leonards-on-Sea where he completed a fortnight's training and took command of a squadron on the Cadet Wing. He was the first member of the royal family to be certified as a fully qualified pilot. During the closing weeks of the war, he served on the staff of the RAF's Independent Air Force at its headquarters in Nancy, France. Following the disbanding of the Independent Air Force in November 1918, he remained on the Continent for two months as a staff officer with the Royal Air Force until posted back to Britain. He accompanied the Belgian monarch King Albert on his triumphal reentry into Brussels on 22 November. Prince Albert qualified as an RAF pilot on 31 July 1919 and gained a promotion to squadron leader on the following day.
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The answer is:
command of a squadron on the Cadet Wing