[Q]: Sentence: In the absence of atmospheric oxygen (O_2), in deep geological conditions prevailing far away from Earth atmosphere, hydrogen (H_2) is produced during the process of serpentinization by the anaerobic oxidation by the water protons (H+) of the ferrous (Fe2+) silicate present in the crystal lattice of the fayalite (Fe_2SiO_4, the olivine iron-endmember). Question: Where do you find silicate? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "Following the end of the Cold War, the CIA's training budget was slashed, which had a negative effect on employee retention." provide a valid answer to "What event decreased the CIA's training budget?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "During these promotions, the Windows Media Center add-on for Windows 8 Pro was also offered for free." answer the question "What is the Windows 8 price?" OPTIONS:
- yes
- no

A: no

Does the sentence "Peoples of the other ethnicities in Iran make up the remaining 22%, with Azerbaijanis constituting 16%, Arabs 2%, Turkmens and Turkic tribes 2%, and others 2% (such as Armenians, Talysh, Georgians, Circassians, Assyrians)." provide a valid answer to the question "Ethnic minorities such as Azerbaijanis make up what percentage of Iran's population?" OPTIONS:
- yes
- no

A: yes

Question:
Choose your answer: Is "Armour continued to advance, spurred by the increasing power of crossbows, and plate armour was developed to protect soldiers from crossbows as well as the hand-held guns that were developed." a good answer to the question "Along with crossbows, what was plate armor designed to defend against?" OPTIONS:
- yes
- no
Answer:
yes

[Q]: Sentence: The Chichimeca are the ancestors of the Tepehuan people. Question: How did the Chichimeca survive? OPTIONS:
- yes
- no
++++++++++
[A]:
no