[Q]: Sentence: This practice has continued in the Russian Federation, where up to 21 days of the summer holidays is sometimes set aside for school works. Question: Did they need parental consent?
++++++++++
[A]: no

[Q]: Sentence: If the ground is a very good conductor then almost all of the wave is reflected (180 out of phase), whereas a ground modeled as a (lossy) dielectric can absorb a large amount of the wave's power. Question: what is reflected and transmitted into the ground when a plane surface is struck?
++++++++++
[A]: no

[Q]: Sentence: Scholars like Arnold H. Green and Hossein Nasr have argued that starting in the 10th century, some medieval Islamic madrasahs became universities. Question: In which century did Islamic madrasas start to transform into universities?
++++++++++
[A]:
yes