[Q]: Sentence: Also, a folded horn with an exponential taper was constructed inside the cabinet to provide better impedance matching to the air. Question: What allowed better sounds inside the cabinet of the orthoponic phonograph? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Secondly, to avoid the balloons, bombers had to fly at a higher altitude, which was more favorable for the guns. Question: What did pilots have to do to avoid the barrage balloons? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: The oldest brain to have been discovered was in Armenia in the Areni-1 cave complex. Question: How old was the oldest brain discovered thought to be? OPTIONS:
- yes
- no
++++++++++
[A]:
no