[Q]: Sentence: The mathematics presented below are useful in analyzing the electrical behaviour of antenna arrays, where the properties of the individual array elements (such as half wave dipoles) are already known. Question: What are the mathmatic useful towards? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: As mentioned earlier, The Princeton Review has rated BYU the "#1 stone cold sober school" in the nation for several years running, an honor which the late LDS Church president Gordon B. Hinckley had commented on with pride. Question: Who rated BYU as the #1 safest college campus in the nation? OPTIONS:
- yes
- no
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[A]: no

[Q]: Sentence: Ventilation was so bad that the interior smelled, and when a decision was taken to install gas lamps, there was a serious worry about the build-up of gas on the lower floors. Question: What was the problem with the palace's chimneys? OPTIONS:
- yes
- no
++++++++++
[A]:
no