[Q]: Sentence: Such battlefield discipline allowed a three-division army to march the 286 miles (460 km) from An-tung, Manchuria, to the combat zone in some 19 days. Question: What were PVA troops told to do when planes flew by? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: The first vertebrates appeared over 500 million years ago (Mya), during the Cambrian period, and may have resembled the modern hagfish in form. Question: Sharks appeared at about how many Mya? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: Certain is only that Avestan (all forms) and Old Persian are distinct, and since Old Persian is "western", and Avestan was not Old Persian, Avestan acquired a default assignment to "eastern". Question: Which language is associated with the western branch of Iranian? OPTIONS:
- yes
- no
++++++++++
[A]:
yes