Does the sentence "During the war, the Paris National Guard, particularly in the working-class neighbourhoods of Paris, had become highly politicised and units elected officers; many refused to wear uniforms or obey commands from the national government." provide a valid answer to the question "What did the National Guard refuse to obey?" OPTIONS:
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A: yes

Does the sentence "Although Lucretius argued for the existence of vacuum in the first century BC and Hero of Alexandria tried unsuccessfully to create an artificial vacuum in the first century AD, it was European scholars such as Roger Bacon, Blasius of Parma and Walter Burley in the 13th and 14th century who focused considerable attention on these issues." provide a valid answer to the question "Roger Bacon,Walter Burley and Blasius of Parma were from what century?" OPTIONS:
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A: yes

Does the sentence "The low mechanical complexity of hydraulic elevators in comparison to traction elevators makes them ideal for low rise, low traffic installations." provide a valid answer to the question "Why do hydraulic elevators use more energy?" OPTIONS:
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A: no

Does the sentence "As the Prussian armies had dwindled to just 60,000 men and with Berlin itself under siege, Frederick's survival was severely threatened." provide a valid answer to the question "How many troops did Frederick have left?" OPTIONS:
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A:
yes