Problem: Race (human categorization):

In the early 20th century, many anthropologists accepted and taught the belief that biologically distinct races were isomorphic with distinct linguistic, cultural, and social groups, while popularly applying that belief to the field of eugenics, in conjunction with a practice that is now called scientific racism. After the Nazi eugenics program, racial essentialism lost widespread popularity. Race anthropologists were pressured to acknowledge findings coming from studies of culture and population genetics, and to revise their conclusions about the sources of phenotypic variation. A significant number of modern anthropologists and biologists in the West came to view race as an invalid genetic or biological designation.

What did a lot of modern anthropologists in the West come to view racial designation as?
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A: invalid


Problem: Western Europe's largest Jewish community, and the third-largest Jewish community in the world, can be found in France, home to between 483,000 and 500,000 Jews, the majority of whom are immigrants or refugees from North African Arab countries such as Algeria, Morocco, and Tunisia (or their descendants). The United Kingdom has a Jewish community of 292,000. In Eastern Europe, there are anywhere from 350,000 to one million Jews living in the former Soviet Union, but exact figures are difficult to establish. In Germany, the 102,000 Jews registered with the Jewish community are a slowly declining population, despite the immigration of tens of thousands of Jews from the former Soviet Union since the fall of the Berlin Wall. Thousands of Israelis also live in Germany, either permanently or temporarily, for economic reasons.
Where are the majority of immigrants in the United Kingdom's Jewish community from?
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Answer: unanswerable


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Three main parades take place during Carnival. The first is held on the first day, during which the "Carnival King" (either a person in costume or an effigy) rides through the city on his carriage. The second is held on the first Sunday of the festival and the participants are mainly children. The third and largest takes place on the last day of Carnival and involves hundreds of people walking in costume along the town's longest avenue. The latter two parades are open to anyone who wishes to participate.
Which of the festivals is comprised of participants who are mainly children?
A: The second


Context and question: The noise-based speed is defined as the exposure that will lead to a given signal-to-noise ratio on individual pixels. Two ratios are used, the 40:1 ("excellent image quality") and the 10:1 ("acceptable image quality") ratio. These ratios have been subjectively determined based on a resolution of 70 pixels per cm (178 DPI) when viewed at 25 cm (9.8 inch) distance. The signal-to-noise ratio is defined as the standard deviation of a weighted average of the luminance and color of individual pixels. The noise-based speed is mostly determined by the properties of the sensor and somewhat affected by the noise in the electronic gain and AD converter.
What factors influence the noise-based speed?
Answer: the properties of the sensor and somewhat affected by the noise in the electronic gain and AD converter


Question: The University of Kansas (KU) is a public research university and the largest in the U.S. state of Kansas. KU branch campuses are located in the towns of Lawrence, Wichita, Overland Park, Salina, and Kansas City, Kansas, with the main campus located in Lawrence on Mount Oread, the highest location in Lawrence. Founded March 21, 1865, the university was opened in 1866, under a charter granted by the Kansas State Legislature in 1864 following enabling legislation passed in 1863 under the Kansas State Constitution, adopted two years after the 1861 admission of the former Kansas Territory as the 34th state into the Union following a very famous bloody internal civil war known as "Bleeding Kansas" during the 1850s.
Is there an answer to this question: Where is the side branch of the University of Kansas located?

Answer: unanswerable


Question: Various theories for the decline of the Native American populations emphasize epidemic diseases, conflicts with Europeans, and conflicts among warring tribes. Scholars now believe that, among the various contributing factors, epidemic disease was the overwhelming cause of the population decline of the American natives. Some believe that after first contacts with Europeans and Africans, Old World diseases caused the death of 90 to 95% of the native population of the New World in the following 150 years. Smallpox killed up to one third of the native population of Hispaniola in 1518. By killing the Incan ruler Huayna Capac, smallpox caused the Inca Civil War. Smallpox was only the first epidemic. Typhus (probably) in 1546, influenza and smallpox together in 1558, smallpox again in 1589, diphtheria in 1614, measles in 1618—all ravaged the remains of Inca culture.
Is there an answer to this question: What disease killed almost a third of the population of Hispaniola in 1518?

Answer:
Smallpox