Problem: Does "In 2012, A. L. Arefyev published a new study "Russian language at the turn of the 20th-21st centuries", in which he confirmed his conclusion about the trend of further weakening of the Russian language in all regions of the world (findings published in 2013 in the journal "Demoskop Weekly")." answer the question "When was "Russian language at the turn of the 20th-21st centuries" published?" OPTIONS:
- yes
- no

A: yes


Does the sentence "The NTSB cites this as contributing to many accidents[unreliable medical source?]" provide a valid answer to the question "What organizations cites this disruption of sleep patterns as a cause of accidents?" OPTIONS:
- yes
- no

A: yes


Question:
Choose your answer: Is "As the depth of the lake water fluctuated, Mexico City was subject to periodic flooding." a good answer to the question "What was a negative of regulating the lake's water height?" OPTIONS:
- yes
- no
Answer:
no


QUES: Q: Who united the two previously separated principalities?
A: To the southwest, the principality of Halych had developed trade relations with its Polish, Hungarian and Lithuanian neighbours and emerged as the local successor to Kievan Rus'.
Does the answer answer the question? OPTIONS:
- yes
- no

ANS: no


Does "Several downtown streets were closed to traffic and received a "makeover" to look like streets of 1957, when the film is set." contain the correct answer to "What year were the streets of downtown New Haven redesigned to resemble for the filming of the Crystal Skull?"
OPTIONS:
- yes
- no

A: yes


Problem: Does "Mithridates antagonised Rome by seeking to expand his kingdom, and Rome for her part seemed equally eager for war and the spoils and prestige that it might bring." answer the question "How did the ruler of Pontus anger Rome?" OPTIONS:
- yes
- no

A:
yes