question: OPTIONS:
- yes
- no
On 6 September 2007, Belgian-based International Polar Foundation unveiled the Princess Elisabeth station, the world's first zero-emissions polar science station in Antarctica to research climate change.
What unique characteristic does the Princess Elizabeth station feature?

answer: yes

[Q]: Sentence: Today, Signal Hill is a National Historic Site of Canada and remains incredibly popular amongst tourists and locals alike; 97% of all tourists to St. John's visit Signal Hill. Question: Who recieved the first transatlantic wireless transmission? OPTIONS:
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++++++++++
[A]: no

Q: Does "In addition to providing for the needs of travellers, inns traditionally acted as community gathering places." provide a valid answer to "Aside from lodging, what amenities are often offered at inns?"?
OPTIONS:
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A: no

Problem: Does "The Frankish expansion of the Carolingian Empire and the Bavarian expansion in the eastern Alps introduced feudalism and the building of castles to support the growing number of dukedoms and kingdoms." answer the question "Who established Christianity in the region?" OPTIONS:
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- no

A: no

Does the sentence "Li countered in an email, saying that his placement on the waitlist undermines Rapelye's claim." provide a valid answer to the question "Which university was Li alleging racial discrimination against?" OPTIONS:
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- no

A: no

Does the sentence "In 1995, material costs were 30 cents for the jewel case and 10 to 15 cents for the CD." provide a valid answer to the question "What did CDs retail for in 1995?" OPTIONS:
- yes
- no

A:
no