[Q]: Sentence: His subsequent victory over his rival kings and enthronement as Emperor Menelek II (r. 18891913) made the treaty formally binding upon the entire territory. Question: What years was the Treaty of Wuchale formally binding?
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[A]: yes

[Q]: Sentence: The standard description of measurement in quantum mechanics is also time asymmetric (see Measurement in quantum mechanics). Question: The standard description of measurement in quantum mechanics is what?
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[A]: yes

[Q]: Sentence: The process used to extract the bitumen from the sand is a hot water process originally developed by Dr. Karl Clark of the University of Alberta during the 1920s. Question: Un what decade did Clark develop the hot water removal process?
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[A]:
yes