Problem: Railway electrification system:

In the United States, 25 Hz, a once-common industrial power frequency is used on Amtrak's 25 Hz traction power system at 12 kV on the Northeast Corridor between Washington, D.C. and New York City and on the Keystone Corridor between Harrisburg, Pennsylvania and Philadelphia. SEPTA's 25 Hz traction power system uses the same 12 kV voltage on the catenary in Northeast Philadelphia. This allows for the trains to operate on both the Amtrak and SEPTA power systems. Apart from having an identical catenary voltage, the power distribution systems of Amtrak and SEPTA are very different. The Amtrak power distribution system has a 138 kV transmission network that provides power to substations which then transform the voltage to 12 kV to feed the catenary system. The SEPTA power distribution system uses a 2:1 ratio autotransformer system, with the catenary fed at 12 kV and a return feeder wire fed at 24 kV. The New York, New Haven and Hartford Railroad used an 11 kV system between New York City and New Haven, Connecticut which was converted to 12.5 kV 60 Hz in 1987.

What specification is similar for both Amtrak and Septa systems?
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A: catenary voltage


Problem: The government has also relaxed reporting laws, but these remain highly restrictive. In September 2011, several banned websites, including YouTube, Democratic Voice of Burma and Voice of America, were unblocked. A 2011 report by the Hauser Center for Nonprofit Organizations found that, while contact with the Myanmar government was constrained by donor restrictions, international humanitarian non-governmental organisations (NGOs) see opportunities for effective advocacy with government officials, especially at the local level. At the same time, international NGOs are mindful of the ethical quandary of how to work with the government without bolstering or appeasing it.
Are there any groups who are able to effectively operate in Burma ?
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Answer: international humanitarian non-governmental organisations (NGOs)


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Tourism is a major industry owing to the city's climate, its beaches, and numerous tourist attractions such as Balboa Park, Belmont amusement park, San Diego Zoo, San Diego Zoo Safari Park, and SeaWorld San Diego. San Diego's Spanish and Mexican heritage is reflected in the many historic sites across the city, such as Mission San Diego de Alcala and Old Town San Diego State Historic Park. Also, the local craft brewing industry attracts an increasing number of visitors for "beer tours" and the annual San Diego Beer Week in November; San Diego has been called "America's Craft Beer Capital."
What popular park in San Diego is home to the San Diego Zoo, SeaWorld, and countless museums?
A: Balboa Park


Context and question: According to John N. Gray, Popper held that "a theory is scientific only in so far as it is falsifiable, and should be given up as soon as it is falsified." By applying Popper's account of scientific method, Gray's Straw Dogs states that this would have "killed the theories of Darwin and Einstein at birth." When they were first advanced, Gray claims, each of them was "at odds with some available evidence; only later did evidence become available that gave them crucial support." Against this, Gray seeks to establish the irrationalist thesis that "the progress of science comes from acting against reason."
What thesis does Popper seek to establish? 
Answer: unanswerable


Question: Materialism developed, possibly independently, in several geographically separated regions of Eurasia during what Karl Jaspers termed the Axial Age (approximately 800 to 200 BC).
Is there an answer to this question: In what part of the world did materialism develop during the non-Axial Age?

Answer: unanswerable


Problem: Myanmar:

In 1988, unrest over economic mismanagement and political oppression by the government led to widespread pro-democracy demonstrations throughout the country known as the 8888 Uprising. Security forces killed thousands of demonstrators, and General Saw Maung staged a coup d'état and formed the State Law and Order Restoration Council (SLORC). In 1989, SLORC declared martial law after widespread protests. The military government finalised plans for People's Assembly elections on 31 May 1989. SLORC changed the country's official English name from the "Socialist Republic of the Union of Burma" to the "Union of Myanmar" in 1989.

Have elections been held in Burma since the military coup in 1988 ?
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A:
The military government finalised plans for People's Assembly elections on 31 May 1989