Problem: Sahara:

The effects of local surface low pressure are extremely limited because upper-level subsidence still continues to block any form of air ascent. Also, to be protected against rain-bearing weather systems by the atmospheric circulation itself, the desert is made even drier by his geographical configuration and location. Indeed, the extreme aridity of the Sahara can't be only explained by the subtropical high pressure. The Atlas Mountains, found in Algeria, Morocco and Tunisia also help to enhance the aridity of the northern part of the desert. These major mountain ranges act as a barrier causing a strong rain shadow effect on the leeward side by dropping much of the humidity brought by atmospheric disturbances along the polar front which affects the surrounding Mediterranean climates.

What mountain range is located in the Sahara?
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A: unanswerable

Problem: Fachhochschule is a German type of tertiary education institution and adopted later in Austria and Switzerland. They do not focus exclusively on technology, but may also offer courses in social science, medicine, business and design. They grant bachelor's degrees and master's degrees, and focus more on teaching than research and more on specific professions than on science.
In addition to Bachelor's degrees, what other kind of degree can one earn from a Fachhochschule?
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Answer: master's degrees

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
With the growing possibility of an Allied invasion in the Balkans, the Axis began to divert more resources to the destruction of the Partisans main force and its high command. This meant, among other things, a concerted German effort to capture Josip Broz Tito personally. On 25 May 1944, he managed to evade the Germans after the Raid on Drvar (Operation Rosselsprung), an airborne assault outside his Drvar headquarters in Bosnia.
Which group of people wanted to capture Tito personally?
A: German

Context and question: In Book 11 of his Confessions, St. Augustine of Hippo ruminates on the nature of time, asking, "What then is time? If no one asks me, I know: if I wish to explain it to one that asketh, I know not." He begins to define time by what it is not rather than what it is, an approach similar to that taken in other negative definitions. However, Augustine ends up calling time a "distention" of the mind (Confessions 11.26) by which we simultaneously grasp the past in memory, the present by attention, and the future by expectation.
What does St. Augustine say when someone asks him about memory?
Answer: unanswerable

Question: As of 2015, the government structure of the New Delhi Municipal Council includes a chairperson, three members of New Delhi's Legislative Assembly, two members nominated by the Chief Minister of the NCT of Delhi and five members nominated by the central government.
Is there an answer to this question: What government official is responsible for nominating two members to the New Delhi Municipal Council?

Answer: Chief Minister of the NCT of Delhi

Contrary to the diffusionist theory, it appears that there was simultaneously a structural evolution towards the pointed arch, for the purpose of vaulting spaces of irregular plan, or to bring transverse vaults to the same height as diagonal vaults. This latter occurs at Durham Cathedral in the nave aisles in 1093. Pointed arches also occur extensively in Romanesque decorative blind arcading, where semi-circular arches overlap each other in a simple decorative pattern, and the points are accidental to the design.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When semicircular arches overlap each other, what type of design is accidentally created?
Ah, so..
points