[Q]: Sentence: For radio waves, one important reflector is the ionosphere which can change the wave's polarization. Question: What mostly affects polarization? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: The race was the most expensive for Congress in the country that year and four days before the general election, Durkin withdrew and endorsed Cronin, hoping to see Kerry defeated. Question: What did Kerry think cost him the race against Cronin? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: Bertram Lenox Simpson, a colonial officer killed eventually in China, uses the terms together in his 1910 book, The Conflict of Color, as "the Near and Middle East." Question: What was Simpson's pen-name? OPTIONS:
- yes
- no
++++++++++
[A]:
no