[Q]: Sentence: The Chamorros, Guam's indigenous people, settled the island approximately 4,000 years ago. Question: When did Guam's indigenous people first arrive?
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[A]: yes

[Q]: Sentence: The National Disaster Relief Commission initiated a "Level II emergency contingency plan", which covers the most serious class of natural disasters. Question: What did the National Disaster Relief Commission initiate?
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[A]: yes

[Q]: Sentence: By 1139, Portugal had established itself as a kingdom independent from Leon. Question: By what year had Portugal established itself as an independent kingdom?
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[A]:
yes