[Q]: Sentence: The album's lead single, "Crazy in Love", featuring Jay Z, became Beyonce's first number-one single as a solo artist in the US. Question: Who helped Beyonce earn a Grammy award for Best R&B Performance by a Duo or Group at the 46th annual Grammy Awards?
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[A]: no

[Q]: Sentence: PlayStation 3's initial production cost is estimated by iSuppli to have been US$805.85 for the 20 GB model and US$840.35 for the 60 GB model. Question: In contrast to the production cost, what was the retail price for a 20 GB PlayStation 3?
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[A]: no

[Q]: Sentence: The MoD has since been regarded as a leader in elaborating the post-Cold War organising concept of "defence diplomacy". Question: In which other country is the UK thinking about installing a military base?
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[A]:
no