[Q]: Sentence: Where should this conversion take place and at what voltage and current (AC or DC) should the power flow to the locomotive? Question: What is the main action AC and DC systems have to deal with?
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[A]: no

[Q]: Sentence: Returning home to Brantford after six months abroad, Bell continued his experiments with his "harmonic telegraph".[N 12] Question: Where was Bell's home?
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[A]: yes

[Q]: Sentence: Three hotels operate on the island but the arrival of tourists is directly linked to the arrival and departure schedule of the RMS St Helena. Question: How many hotels are on the island?
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[A]:
no