[Q]: Sentence: Recent developments in LEDs permit them to be used in environmental and task lighting. Question: Why are some people hesitant to use LED lighting?
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[A]: no

[Q]: Sentence: The first geographical entity that was called Armenia by neighboring peoples (such as by Hecataeus of Miletus and on the Achaemenid Behistun Inscription) was established in the late 6th century BC under the Orontid dynasty within the Achaemenid Persian Empire as part of the latters' territories, and which later became a kingdom. Question: During which dynasty was Armenia established?
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[A]: yes

[Q]: Sentence: Palacio Salvo, at the intersection of 18 de Julio Avenue and Plaza Independencia, was designed by the architect Mario Palanti and completed in 1925. Question: Who designed the Palacio Salvo?
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[A]:
yes