[Q]: Sentence: These coders use a model of the sound's generator (such as the human vocal tract with LPC) to whiten the audio signal (i.e., flatten its spectrum) before quantization. Question: What uses a model of the sound's generator?
++++++++++
[A]: no

[Q]: Sentence: Because of bad relations between the states of western Europe and the later Byzantine Empire, the majority of the Orthodox population accepted Ottoman rule as preferable to Venetian rule. Question: What city was conquered on 29 May 1453?
++++++++++
[A]: no

[Q]: Sentence: Although the Founding Fathers of the United States did not originally intend for American politics to be partisan, early political controversies in the 1790s over the extent of federal government powers saw the emergence of two proto-political parties- Question: What were the two proto-political parties?
++++++++++
[A]:
no