[Q]: Sentence: The title was first referred to on government documents during the administration of Benjamin Disraeli but did not appear in the formal British Order of precedence until 1905. Question: When was the position of prime minister finally formalized?
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[A]: yes

[Q]: Sentence: In 1972, the French physicist Francis Perrin discovered fifteen ancient and no longer active natural nuclear fission reactors in three separate ore deposits at the Oklo mine in Gabon, West Africa, collectively known as the Oklo Fossil Reactors. Question: How old are the ore deposits in the Oklo mine?
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[A]: no

[Q]: Sentence: However questions still remain, as some of the corrupt government officials have still not been brought to justice, while the many families who lost their only child, are still seeking compensation and justice to what had happened. Question: Who has not been brought to justice?
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[A]:
yes