Problem: Hunter-gatherer:

Most hunter-gatherers are nomadic or semi-nomadic and live in temporary settlements. Mobile communities typically construct shelters using impermanent building materials, or they may use natural rock shelters, where they are available.

What kind of natural structure do hunter-gatherers use?
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A: rock shelters

Problem: Others have argued that excessive regulation suppresses therapeutic innovation, and that the current cost of regulator-required clinical trials prevents the full exploitation of new genetic and biological knowledge for the treatment of human disease. A 2012 report by the President's Council of Advisors on Science and Technology made several key recommendations to reduce regulatory burdens to new drug development, including 1) expanding the FDA's use of accelerated approval processes, 2) creating an expedited approval pathway for drugs intended for use in narrowly defined populations, and 3) undertaking pilot projects designed to evaluate the feasibility of a new, adaptive drug approval process.
In what year was a report made to reduce the burdens of drug development?
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Answer: 2012

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Prior to the Reformation, the Polish nobility were mostly either Roman Catholic or Orthodox with a small group of Muslims. Many families, however, soon adopted the Reformed faiths. After the Counter-Reformation, when the Roman Catholic Church regained power in Poland, the nobility became almost exclusively Catholic, despite the fact that Roman Catholicism was not the majority religion in Commonwealth (the Catholic and Orthodox churches each accounted for some 40% of all citizens population, with the remaining 20% being Jews or members of Protestant denominations). In the 18th century, many followers of Jacob Frank joined the ranks of Jewish-descended Polish gentry. Although Jewish religion wasn't usually a pretext to block or deprive of noble status, some laws favoured religious conversion from Judaism to Christianity (see: Neophyte) by rewarding it with ennoblement.
What was the minority group in the polish nobility?
A: Muslims

Context and question: From the early stages of Christianity, belief in the virginity of Mary and the virgin conception of Jesus, as stated in the gospels, holy and supernatural, was used by detractors, both political and religious, as a topic for discussions, debates and writings, specifically aimed to challenge the divinity of Jesus and thus Christians and Christianity alike. In the 2nd century, as part of the earliest anti-Christian polemics, Celsus suggested that Jesus was the illegitimate son of a Roman soldier named Panthera. The views of Celsus drew responses from Origen, the Church Father in Alexandria, Egypt, who considered it a fabricated story. How far Celsus sourced his view from Jewish sources remains a subject of discussion.
Who was Celsus an illegitimate son of?
Answer: unanswerable

Question: In the martial arts, Faisal Jeylani Aweys and Mohamed Deq Abdulle also took home a silver medal and fourth place, respectively, at the 2013 Open World Taekwondo Challenge Cup in Tongeren. The Somali National Olympic committee has devised a special support program to ensure continued success in future tournaments. Additionally, Mohamed Jama has won both world and European titles in K1 and Thai Boxing.
Is there an answer to this question: Where did the 2013 Open World Taekwondo Challenge Cup take place?

Answer: Tongeren

Until the 1960s the piers at Weston-super-Mare, Clevedon, Portishead and Minehead were served by the paddle steamers of P and A Campbell who ran regular services to Barry and Cardiff as well as Ilfracombe and Lundy Island. The pier at Burnham-on-Sea was used for commercial goods, one of the reasons for the Somerset and Dorset Joint Railway was to provide a link between the Bristol Channel and the English Channel. The pier at Burnham-on-Sea is the shortest pier in the UK. In the 1970s the Royal Portbury Dock was constructed to provide extra capacity for the Port of Bristol.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): What were the piers at Barry primarily used for?
Ah, so..
unanswerable