[Q]: Sentence: Heinrich d'Arrest, a student at the observatory, suggested to Galle that they could compare a recently drawn chart of the sky in the region of Le Verrier's predicted location with the current sky to seek the displacement characteristic of a planet, as opposed to a fixed star. Question: Who was Henrich d'Arrest?
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[A]: yes

[Q]: Sentence: Louis gave up his claim to the English throne and signed the Treaty of Lambeth. Question: Who gave up their claim to the English throne?
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[A]: yes

[Q]: Sentence: The same day, they registered 77 players across all categories and ages, and both last summer signings Arda Turan and Aleix Vidal became eligible to play with the first team. Question: How many players did Barcelona list on the day their transfer ban ended?
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[A]:
yes