question: OPTIONS:
- yes
- no
After the early 20th century revolutions, shifting alliances of China's regional warlords waged war for control of the Beijing government.
Who ultimately gained control of the Beijing government?

answer: no

[Q]: Sentence: Global agreements such as the Convention on Biological Diversity, give "sovereign national rights over biological resources" (not property). Question: What agreement commits countries to conserve biodiversity? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "Termed "the acoustic equivalent to Prozac", soft adult contemporary, a more adult-oriented version of AC, was born in the late 1970s and grew in the early 1980s." provide a valid answer to "What decade saw the birth of the soft adult contemporary format?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "A "shoot-to-kill" policy was recently introduced in South Africa, which allows police to use deadly force against any person who poses a significant threat to them or civilians." answer the question "What are common less-lethal weapons?" OPTIONS:
- yes
- no

A: no

Does the sentence "Stressed vowels are somewhat lengthened, while unstressed vowels tend to be reduced to near-close vowels or an unclear schwa." provide a valid answer to the question "What is done to unstressed vowels?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The city of Nanjing was razed after the Sui dynasty took over it." provide a valid answer to the question "When was Nanjing made a capital again?" OPTIONS:
- yes
- no

A:
no