Does the sentence "Lancashire emerged as a major commercial and industrial region during the Industrial Revolution." provide a valid answer to the question "When did Lancashire emerge as a major commercialand industrial region?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The roles of women in the CAF began to expand in 1971, after the Department reviewed the recommendations of the Royal Commission on the Status of Women, at which time it lifted the ceiling of 1,500 women personnel, and gradually expanded employment opportunities into the non-traditional areasvehicle drivers and mechanics, aircraft mechanics, air-traffic controllers, military police, and firefighters." provide a valid answer to the question "Why were women eventually allowed to serve at sea in the CAF?" OPTIONS:
- yes
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A: no

Does the sentence "Xenon gas improves efficiency because of its high molecular weight, but is also more expensive, so its use is limited to smaller lamps." provide a valid answer to the question "What is the advantage of using inert gas in a light bulb?" OPTIONS:
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- no

A: no

Does the sentence "A 2007 review of 13 studies found evidence for the efficacy of hypnosis in the reduction of chronic pain in some conditions, though the number of patients enrolled in the studies was low, bringing up issues of power to detect group differences, and most lacked credible controls for placebo and/or expectation." provide a valid answer to the question "What did the studies regarding the effectiveness of hypnosis lack?" OPTIONS:
- yes
- no

A:
yes