question: OPTIONS:
- yes
- no
In 1996, a surrogate character mechanism was implemented in Unicode 2.0, so that Unicode was no longer restricted to 16 bits.
When was a surrogate character mechanism implemented in Unicode 2.0?

answer: yes

[Q]: Sentence: In 1642, during the English Civil War, a Parliamentary garrison moved into Southampton. Question: What year did a Parliamentary garrison enter Southampton? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "About one half of the population is connected to sanitary sewers." provide a valid answer to "From 1990 to 2010 what was improvement in piped water supply to rural areas?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "Earlier coal-gas methods had been used for lighting since the 1820s, but they were expensive." answer the question "What method of lighting have been used since 1820s?" OPTIONS:
- yes
- no

A: yes

Does the sentence "German historian Reinhart Koselleck claimed that "On the Continent there were two social structures that left a decisive imprint on the Age of Enlightenment: the Republic of Letters and the Masonic lodges." provide a valid answer to the question "Historian Margaret Jacob stresses the importance of the Masons in indirectly inspriting what type of thinking?" OPTIONS:
- yes
- no

A: no

Does the sentence "All three are radioactive, emitting alpha particles, with the exception that all three of these isotopes have small probabilities of undergoing spontaneous fission, rather than alpha emission." provide a valid answer to the question "When uranium isotope is formed from the decay of neptunium-237?" OPTIONS:
- yes
- no

A:
no