[Q]: Sentence: The oldest known fossil among the Eutheria ("true beasts") is the small shrewlike Juramaia sinensis, or "Jurassic mother from China", dated to 160 million years ago in the Late Jurassic. Question: Which lineage were some of these early marsupial features were lost?
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[A]: no

[Q]: Sentence: West of the Historic Center (Centro Historico) along Paseo de la Reforma are many of the city's wealthiest neighborhoods such as Polanco, Lomas de Chapultepec, Bosques de las Lomas, Santa Fe, and (in the State of Mexico) Question: Where are many of the corporate headquarters and other tall buildings located?
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[A]: yes

[Q]: Sentence: In 1919, Sir Edward Mellanby incorrectly identified rickets as a vitamin A deficiency because he could cure it in dogs with cod liver oil. Question: Which disease was vitamin C claimed to help prevent?
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[A]:
no