question: OPTIONS:
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At the same time, neighbouring countries, Benin, Chad, Cameroon and Niger joined Nigeria in a united effort to combat Boko Haram in the aftermath of a world media highlighted kidnapping of 276 schoolgirls and the spread of Boko Haram attacks to these countries.
When did Boko Haram become active in Nigeria?

answer: no

[Q]: Sentence: Using temperature as a proxy for risk, Collard et al.'s results suggest that environments with extreme temperatures pose a threat to hunter-gatherer systems significant enough to warrant increased variability of tools. Question: What is Torrence's 1989 theory about that ties into tool kit variability ? OPTIONS:
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++++++++++
[A]: no

Q: Does "This proposal has been criticized since the term pardo is considered to include a wide range of multiracial people, such as caboclos (mestizos), assimilated Amerindians and tri-racials, not only people of partial African and European descent." provide a valid answer to "What does caboclos mean?"?
OPTIONS:
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A: yes

Problem: Does ""So he carried me away in the spirit into the wilderness: and I saw a woman sit upon a scarlet coloured beast, full of names of blasphemy, having seven heads and ten horns. "" answer the question "How many heads did the scarlet beast which a woman sat on have?" OPTIONS:
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A: yes

Does the sentence "Buddhism has an important presence since its arrival in Zhejiang 1,800 years ago." provide a valid answer to the question "What part of 2015 did the government of Zhejiang recognise folk religion as 'civil religion'?" OPTIONS:
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A: no

Does the sentence "Ultimately though, they did install a 15-pin expansion port on the front of the console so that an arcade-style joystick could be used optionally." provide a valid answer to the question "What was installed on the front of the console so the joystick could be used?" OPTIONS:
- yes
- no

A:
yes