question: OPTIONS:
- yes
- no
High-voltage AC overhead systems are not only for standard gauge national networks.
How did non-standard gauge trains start to operate with high-voltage AC?

answer: no

[Q]: Sentence: Almost two thousand years after Plato, Rene Descartes also proposed a geometrically based alternative theory of atomism, without the problematic nothingeverything dichotomy of void and atom. Question: What did Descartes believe about vacuums in nature? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "The following chart demonstrates how widely the prevalence of homosexuality can vary depending on what age, location and component of sexual orientation is being assessed:" provide a valid answer to "What will cause the amount of homosexuality to vary?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "The El Con Mall is also located in the eastern part of midtown." answer the question "What mall is located in midtown?" OPTIONS:
- yes
- no

A: yes

Does the sentence "They kept the systems of government that they had developed as separate colonies but also would have a federal government that was responsible for matters concerning the whole nation." provide a valid answer to the question "When did the colonies collectively become a part of the Commonwealth of Australia?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Nobel Prize-winning economist Amartya Sen has observed that "there is no such thing as an apolitical food problem."" provide a valid answer to the question "What can trigger famine conditions?" OPTIONS:
- yes
- no

A:
no