[Q]: Sentence: In each frequency band two coherent sub-signals have been detected with a phase shift of 90 degrees (in quadrature). Question: What is the phase shift of the sub-signals detected in each frequency band used by Compass-M1? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Some of these were later absorbed into the Ottoman Empire, while others were granted various types of autonomy during the course of centuries.[dn 4] Question: During what centuries was the Ottoman empire in control of much of Southeast Europe? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: The resulting Treaty of Zuhab of that same year decisively parted the Caucasus and adjacent regions between the two neighbouring empires as it had already been defined in the 1555 Peace of Amasya. Question: Who had control over Iraq before it was recaptured in 1639? OPTIONS:
- yes
- no
++++++++++
[A]:
no