[Q]: Sentence: This score represented a significant improvement since 2007, when the country scored 2.1 and ranked 150th of 180 countries. Question: What was Liberia's score and rank on the 2007 Corruption Perceptions index?
++++++++++
[A]: yes

[Q]: Sentence: The upper-level clouds lie at pressures below one bar, where the temperature is suitable for methane to condense. Question: What is the temperature on Neptune's clouds that are at 50 bars?
++++++++++
[A]: no

[Q]: Sentence: The report is then analyzed to determine whether or not the entire rail is safe to use. Question: What is the first step in destructive testing?
++++++++++
[A]:
no