The problem: Answer a question about this article:
West got his big break in the year 2000, when he began to produce for artists on Roc-A-Fella Records. West came to achieve recognition and is often credited with revitalizing Jay-Z's career with his contributions to the rap mogul's influential 2001 album The Blueprint. The Blueprint is consistently ranked among the greatest hip-hop albums, and the critical and financial success of the album generated substantial interest in West as a producer. Serving as an in-house producer for Roc-A-Fella Records, West produced records for other artists from the label, including Beanie Sigel, Freeway, and Cam'ron. He also crafted hit songs for Ludacris, Alicia Keys, and Janet Jackson.
What album did Kanye receive production credits on in 2001?
****
The answer: The Blueprint

The problem: Answer a question about this article:
In October 1810, six months after Fryderyk's birth, the family moved to Warsaw, where his father acquired a post teaching French at the Warsaw Lyceum, then housed in the Saxon Palace. Fryderyk lived with his family in the Palace grounds. The father played the flute and violin; the mother played the piano and gave lessons to boys in the boarding house that the Chopins kept. Chopin was of slight build, and even in early childhood was prone to illnesses.
What language did Frederic's father teach after they had moved to Warsaw?
****
The answer: French

The problem: Answer a question about this article:
By the 1950s the success of digital electronic computers had spelled the end for most analog computing machines, but analog computers remain in use in some specialized applications such as education (control systems) and aircraft (slide rule).
Analog computers remain in use in what industries?
****
The answer: education (control systems) and aircraft (slide rule).

The problem: Answer a question about this article:
Leibniz describes a space that exists only as a relation between objects, and which has no existence apart from the existence of those objects. Motion exists only as a relation between those objects. Newtonian space provided the absolute frame of reference within which objects can have motion. In Newton's system, the frame of reference exists independently of the objects contained within it. These objects can be described as moving in relation to space itself. For many centuries, the evidence of a concave water surface held authority.
For how long did the evidence of a concave water surface hold authority in reference to space?
****
The answer:
many centuries