[Q]: Sentence: Shipbuilding improved with the use of the rib and plank method rather than the old Roman system of mortise and tenon. Question: What type of rudder was introduced during this period?
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[A]: no

[Q]: Sentence: On October 1, he found another group of islands where he went ashore for eight days, exchanged gifts with the local inhabitants and took on water. Question: Who was in charge of the ship named Florida?
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[A]: no

[Q]: Sentence: Citizens in each of the nine districts elect one council representative each to serve a four-year term. Question: In what month does the city council not meet?
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[A]:
no