[Q]: Sentence: Incandescent light bulbs usually contain a stem or glass mount anchored to the bulb's base that allows the electrical contacts to run through the envelope without air or gas leaks. Question: What prevents air or gas leaks from a light bulb?
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[A]: yes

[Q]: Sentence: When war with France broke out again in 1202, John achieved early victories, but shortages of military resources and his treatment of Norman, Breton and Anjou nobles resulted in the collapse of his empire in northern France in 1204. Question: When did war with France break out?
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[A]: yes

[Q]: Sentence: Singer Sheryl Crow, who was later to act as a mentor on the show, however took the view that the show "undermines art in every way and promotes commercialism". Question: Sheryl Crow felt the show undermined art and promoted what?
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[A]:
yes