question: Who won the Pulitzer prize in 2017 and wrote The Underground Railroad?
answerText: Colson Whitehead
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questionEntity.label: The Underground Railroad
questionEntity.mention: The Underground Railroad
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questionEntity.label: Pulitzer Prize
questionEntity.mention: the Pulitzer prize
questionEntity.name: 2017
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questionEntity.mention: 2017
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answerEntity.label: Colson Whitehead