QUES: Q: What type of system used ceramic water pipes?
A: The ruins of rammed-earth walls that once surrounded the capitals Chang'an and Luoyang still stand, along with their drainage systems of brick arches, ditches, and ceramic water pipes.
Does the answer answer the question? OPTIONS:
- yes
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ANS: yes

QUES: Q: Who were some Armenian pop artists?
A: Later, stemming from the Middle Eastern Armenian diaspora and influenced by Continental European (especially French) pop music, the Armenian pop music genre grew to fame in the 1960s and 1970s with artists such as Adiss Harmandian and Harout Pamboukjian performing to the Armenian diaspora and Armenia; also with artists such as Sirusho, performing pop music combined with Armenian folk music in today's entertainment industry.
Does the answer answer the question? OPTIONS:
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ANS: yes

QUES: Q: When were the first motorways built in Thuringia?
A: During the 1930s, the first two motorways were built across the Land, the A4 motorway as an important east-west connection in central Germany and the main link between Berlin and south-west Germany, and the A9 motorway as the main north-south route in eastern Germany, connecting Berlin with Munich.
Does the answer answer the question? OPTIONS:
- yes
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ANS: yes

QUES: Q: Which scribe led the production of the first written Quran?
A: Based on earlier transmitted reports, in the year 632, after the demise of Muhammad a number of his companions who knew the Quran by heart were killed in a battle by Musaylimah, the first caliph Abu Bakr (d. 634) decided to collect the book in one volume so that it could be preserved.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS:
no