Does the sentence "Native copper is known to have been extracted from sites on Isle Royale with primitive stone tools between 800 and 1600." provide a valid answer to the question "Where was native copper extracted with primitive tools between 800 and 1600?" OPTIONS:
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- no

A: yes

Does the sentence "One of the best examples would be Shen Kuo (10311095), a polymath scientist and statesman who was the first to describe the magnetic-needle compass used for navigation, discovered the concept of true north, improved the design of the astronomical gnomon, armillary sphere, sight tube, and clepsydra, and described the use of drydocks to repair boats." provide a valid answer to the question "When was Shen Kuo alive?" OPTIONS:
- yes
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A: yes

Does the sentence "It also ranks fourth in oil reserves with an estimated 153,600,000,000 barrels." provide a valid answer to the question "What is Iran ranked in the world in proved gas reserves?" OPTIONS:
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A: no

Does the sentence "Inside the pump, a mechanism expands a small sealed cavity to create a vacuum." provide a valid answer to the question "How is a vacuum created inside of a manual water pump?" OPTIONS:
- yes
- no

A:
yes