Does the sentence "A nationwide strike by the air traffic controllers union in 1981 forced temporary flight restrictions but failed to shut down the airspace system." provide a valid answer to the question "When did the nationwide strike by air traffic controlers union happen?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The MoD also manages day-to-day running of the armed forces, contingency planning and defence procurement." provide a valid answer to the question "What does the MoD manage?" OPTIONS:
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- no

A: yes

Does the sentence "He used as a burner two carbon rods of diminished section in a glass receiver, hermetically sealed, and filled with nitrogen, electrically arranged so that the current could be passed to the second carbon when the first had been consumed." provide a valid answer to the question "What did Lodygin change his name to after moving to the USA?" OPTIONS:
- yes
- no

A: no

Does the sentence "It is estimated that in the 11th century Ashkenazi Jews composed only three percent of the world's Jewish population, while at their peak in 1931 they accounted for 92 percent of the world's Jews." provide a valid answer to the question "The present-day population of Ashkenazi Jews is thought to be between which two numbers?" OPTIONS:
- yes
- no

A:
no