[Q]: Sentence: But after 1974 (thru 1980) there was no improvement in energy-intensity (wh/tonne-km) in part due to increasing speeds of passenger and freight trains. Question: Was there an energy efficiency improvement in the period 1974 through 1980? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: There were also subversive activities celebrating anniversaries of Napoleon's life and reign and disrupting royal celebrationsthey demonstrated the prevailing and successful goal of the varied supporters of Napoleon to constantly destabilize the Bourbon regime. Question: Anniversaries of Napoleon's life and reign were sometimes celebrated in an effort to disrupt what? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Thucydides noted that people who had recovered from a previous bout of the disease could nurse the sick without contracting the illness a second time. Question: When did immunology start to become codified as a scientific theory? OPTIONS:
- yes
- no
++++++++++
[A]:
no