Problem: Affirmative action in the United States:

When Eisenhower was elected President in 1952, he believed hiring practices and anti-discrimination laws should be decided by the states, although the administration gradually continued to desegregate the Armed Forces and the federal government.:50 The President also established the Government Contract Committee in 1953, which "conducted surveys of the racial composition of federal employees and tax-supported contractors".:5051 The committee, chaired by Vice President Richard Nixon, had minimal outcomes in that they imposed the contractors with the primary responsibility of desegregation within their own companies and corporations.:51

Who did Eisenhower believe should be disallowed to decide the nature of discrimination laws?
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A: unanswerable

Problem: After a nonprofit organization has been formed at the state level, the organization may seek recognition of tax exempt status with respect to U.S. federal income tax. That is done typically by applying to the Internal Revenue Service (IRS), although statutory exemptions exist for limited types of nonprofit organizations. The IRS, after reviewing the application to ensure the organization meets the conditions to be recognized as a tax exempt organization (such as the purpose, limitations on spending, and internal safeguards for a charity), may issue an authorization letter to the nonprofit granting it tax exempt status for income tax payment, filing, and deductibility purposes. The exemption does not apply to other Federal taxes such as employment taxes. Additionally, a tax-exempt organization must pay federal tax on income that is unrelated to their exempt purpose. Failure to maintain operations in conformity to the laws may result in an organization losing its tax exempt status.
How does a nonprofit ensure limits on spending?
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Answer: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Tuberculosis is classified as one of the granulomatous inflammatory diseases. Macrophages, T lymphocytes, B lymphocytes, and fibroblasts aggregate to form granulomas, with lymphocytes surrounding the infected macrophages. When other macrophages attack the infected macrophage, they fuse together to form a giant multinucleated cell in the alveolar lumen. The granuloma may prevent dissemination of the mycobacteria and provide a local environment for interaction of cells of the immune system. However, more recent evidence suggests that the bacteria use the granulomas to avoid destruction by the host's immune system. Macrophages and dendritic cells in the granulomas are unable to present antigen to lymphocytes; thus the immune response is suppressed. Bacteria inside the granuloma can become dormant, resulting in latent infection. Another feature of the granulomas is the development of abnormal cell death (necrosis) in the center of tubercles. To the naked eye, this has the texture of soft, white cheese and is termed caseous necrosis.
Which cells serve as antigen to lymphocytes?
A: unanswerable

Context and question: Antarctica, on average, is the coldest, driest, and windiest continent, and has the highest average elevation of all the continents. Antarctica is considered a desert, with annual precipitation of only 200 mm (8 in) along the coast and far less inland. The temperature in Antarctica has reached 89.2 C (128.6 F), though the average for the third quarter (the coldest part of the year) is 63 C (81 F). There are no permanent human residents, but anywhere from 1,000 to 5,000 people reside throughout the year at the research stations scattered across the continent. Organisms native to Antarctica include many types of algae, bacteria, fungi, plants, protista, and certain animals, such as mites, nematodes, penguins, seals and tardigrades. Vegetation, where it occurs, is tundra.
What is the annual precipitation rate of coastal Antarctica?
Answer: 200 mm

Question: Insects were the earliest organisms to produce and sense sounds. Insects make sounds mostly by mechanical action of appendages. In grasshoppers and crickets, this is achieved by stridulation. Cicadas make the loudest sounds among the insects by producing and amplifying sounds with special modifications to their body and musculature. The African cicada Brevisana brevis has been measured at 106.7 decibels at a distance of 50 cm (20 in). Some insects, such as the Helicoverpa zeamoths, hawk moths and Hedylid butterflies, can hear ultrasound and take evasive action when they sense that they have been detected by bats. Some moths produce ultrasonic clicks that were once thought to have a role in jamming bat echolocation. The ultrasonic clicks were subsequently found to be produced mostly by unpalatable moths to warn bats, just as warning colorations are used against predators that hunt by sight. Some otherwise palatable moths have evolved to mimic these calls. More recently, the claim that some moths can jam bat sonar has been revisited. Ultrasonic recording and high-speed infrared videography of bat-moth interactions suggest the palatable tiger moth really does defend against attacking big brown bats using ultrasonic clicks that jam bat sonar.
Is there an answer to this question: What were the earliest organisms to produce sound?

Answer: Insects

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In 1832, South Carolina passed an ordinance of nullification, a procedure by which a state could, in effect, repeal a federal law; it was directed against the most recent tariff acts. Soon, federal soldiers were dispensed to Charleston's forts, and five United States Coast Guard cutters were detached to Charleston Harbor "to take possession of any vessel arriving from a foreign port, and defend her against any attempt to dispossess the Customs Officers of her custody until all the requirements of law have been complied with." This federal action became known as the Charleston incident. The state's politicians worked on a compromise law in Washington to gradually reduce the tariffs.
A compromise law from the state politicans never achieved what?
A:
unanswerable