The problem: Answer a question about this article:
Since the latewood of a growth ring is usually darker in color than the earlywood, this fact may be used in judging the density, and therefore the hardness and strength of the material. This is particularly the case with coniferous woods. In ring-porous woods the vessels of the early wood not infrequently appear on a finished surface as darker than the denser latewood, though on cross sections of heartwood the reverse is commonly true. Except in the manner just stated the color of wood is no indication of strength.
What category of trees show this difference greatly?
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The answer: coniferous

Problem: Please answer a question about the following article about Gramophone record:
Vinyl records do not break easily, but the soft material is easily scratched. Vinyl readily acquires a static charge, attracting dust that is difficult to remove completely. Dust and scratches cause audio clicks and pops. In extreme cases, they can cause the needle to skip over a series of grooves, or worse yet, cause the needle to skip backwards, creating a "locked groove" that repeats over and over. This is the origin of the phrase "like a broken record" or "like a scratched record", which is often used to describe a person or thing that continually repeats itself. Locked grooves are not uncommon and were even heard occasionally in radio broadcasts.
What causes clicks and pops on vinyl records?
A: Dust and scratches

Question: Read this and answer the question

The battle in the Marshall Islands caused irreparable damage, especially on Japanese bases. During the American bombing, the islands' population suffered from lack of food and various injuries. U.S. attacks started in mid-1943, and caused half the Japanese garrison of 5,100 people in the atoll Mili to die from hunger by August 1945.

How large was the Japanese garrison on Mili?
Answer: 5,100

Problem: Several prominent American literary figures lived in New York during the 1830s and 1840s, including William Cullen Bryant, Washington Irving, Herman Melville, Rufus Wilmot Griswold, John Keese, Nathaniel Parker Willis, and Edgar Allan Poe. Public-minded members of the contemporaneous business elite lobbied for the establishment of Central Park, which in 1857 became the first landscaped park in an American city.
Central park, in 1857, became the first park in America to become what?
The answer is the following: first landscaped

The New York City Public Schools system, managed by the New York City Department of Education, is the largest public school system in the United States, serving about 1.1 million students in more than 1,700 separate primary and secondary schools. The city's public school system includes nine specialized high schools to serve academically and artistically gifted students.
How many students are in New York City public schools?
1.1 million

Here is a question about this article: The end of World War II set the stage for the EastWest confrontation known as the Cold War. With the outbreak of the Korean War, concerns over the defense of Western Europe rose. Two corps, V and VII, were reactivated under Seventh United States Army in 1950 and American strength in Europe rose from one division to four. Hundreds of thousands of U.S. troops remained stationed in West Germany, with others in Belgium, the Netherlands and the United Kingdom, until the 1990s in anticipation of a possible Soviet attack.
What is the answer to this question: What war occurred after the end of World War II?
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So...
Cold War