Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
The evidence for the effectiveness of measures to prevent the development of asthma is weak. Some show promise including: limiting smoke exposure both in utero and after delivery, breastfeeding, and increased exposure to daycare or large families but none are well supported enough to be recommended for this indication. Early pet exposure may be useful. Results from exposure to pets at other times are inconclusive and it is only recommended that pets be removed from the home if a person has allergic symptoms to said pet. Dietary restrictions during pregnancy or when breast feeding have not been found to be effective and thus are not recommended. Reducing or eliminating compounds known to sensitive people from the work place may be effective. It is not clear if annual influenza vaccinations effects the risk of exacerbations. Immunization; however, is recommended by the World Health Organization. Smoking bans are effective in decreasing exacerbations of asthma.
What's weak and isn't helping prevent the development of the flu?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Both low-cost and luxury housing were built by the government in the Brasília. The residential zones of the inner city are arranged into superquadras ("superblocks"): groups of apartment buildings along with a prescribed number and type of schools, retail stores, and open spaces. At the northern end of Lake Paranoá, separated from the inner city, is a peninsula with many fashionable homes, and a similar city exists on the southern lakeshore. Originally the city planners envisioned extensive public areas along the shores of the artificial lake, but during early development private clubs, hotels, and upscale residences and restaurants gained footholds around the water. Set well apart from the city are satellite cities, including Gama, Ceilândia, Taguatinga, Núcleo Bandeirante, Sobradinho, and Planaltina. These cities, with the exception of Gama and Sobradinho were not planned.
What type of private clubs were built by the Brasilian government?
A: unanswerable

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Healthcare is funded by the government, undertaken by one resident doctor from South Africa and five nurses. Surgery or facilities for complex childbirth are therefore limited, and emergencies can necessitate communicating with passing fishing vessels so the injured person can be ferried to Cape Town. As of late 2007, IBM and Beacon Equity Partners, co-operating with Medweb, the University of Pittsburgh Medical Center and the island's government on "Project Tristan", has supplied the island's doctor with access to long distance tele-medical help, making it possible to send EKG and X-ray pictures to doctors in other countries for instant consultation. This system has been limited owing to the poor reliability of Internet connections and an absence of qualified technicians on the island to service fibre optic links between the hospital and Internet centre at the administration buildings.
What makes it impossible to send EKG pictures to other countries?
A: unanswerable

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The Spanish ship San Pedro and two other vessels in an expedition commanded by Miguel López de Legazpi discovered an island on January 9, 1530, possibly Mejit, at 10°N, which they named "Los Barbudos". The Spaniards went ashore and traded with the local inhabitants. On January 10, the Spaniards sighted another island that they named "Placeres", perhaps Ailuk; ten leagues away, they sighted another island that they called "Pajares" (perhaps Jemo). On January 12, they sighted another island at 10°N that they called "Corrales" (possibly Wotho). On January 15, the Spaniards sighted another low island, perhaps Ujelang, at 10°N, where they described the people on "Barbudos". After that, ships including the San Jeronimo, Los Reyes and Todos los Santos also visited the islands in different years.
What island may have been spotted by the Spanish on January 15?
A:
Ujelang