Does the sentence "In 2002, Chinese geologist Chen Xuezhong published a Seismic Risk Analysis study in which he came to the conclusion that beginning with 2003, attention should be paid to the possibility of an earthquake with a magnitude of over 7.0 occurring in Sichuan region." provide a valid answer to the question "Who published a Seismic Risk Analysis Study?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Catalan is studied as a foreign language by 30% of the primary education students, and by 15% of the secondary." provide a valid answer to the question "What percentage of primary students study Catalan as a foreign language?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Somerset contains HM Prison Shepton Mallet, which was England's oldest prison still in use prior to its closure in 2013, having opened in 1610." provide a valid answer to the question "What rebellion took place in Somerset in 1685" OPTIONS:
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A: no

Does the sentence "The best-selling drug ever, Lipitor, averaged $13 billion annually and netted $141 billion total over its lifetime before Pfizer's patent expired in November 2011." provide a valid answer to the question "What was the bestselling drug in history?" OPTIONS:
- yes
- no

A:
yes