[Q]: Sentence: The Sumerian city-states rose to power during the prehistoric Ubaid and Uruk periods. Question: During what periods did the Sumerican city-states rise to power? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Apple ended the fiscal year 2007 with US$15.4 billion in cash and no debt. Question: Desktop computers made up how much of Apple's revenue in the third quarter of 2007? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: Von Braun, himself inspired by Goddard's work, was bemused by this when debriefed by his American handlers, asking them, "Why didn't you just ask Dr. Goddard?"[citation needed] Question: Liquid-fueled rockets were developed in what year? OPTIONS:
- yes
- no
++++++++++
[A]:
no