Does the sentence "Smoke can be turned green by a mixture: solvent yellow 33, solvent green 3, lactose, magnesium carbonate plus sodium carbonate added to potassium chlorate." provide a valid answer to the question "What is the ratio of boron to potassium nitrate in green pyrotechnic flares?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Glasgow Tower an observation tower in Glasgow, Scotland also makes use of two climbing elevators." provide a valid answer to the question "What is the Glasgow Tower?" OPTIONS:
- yes
- no

A: yes

Does the sentence "The monarchs of England and the United Kingdom had ministers in whom they placed special trust and who were regarded as the head of the government." provide a valid answer to the question "Who served as the head minister under Charles II?" OPTIONS:
- yes
- no

A: no

Does the sentence "Native Americans suffered high mortality rates due to their lack of prior exposure to these diseases." provide a valid answer to the question "Why did Native Americans suffer such high mortality rates to the diseases?" OPTIONS:
- yes
- no

A:
yes