Q: Question: What was berlin blockade problem? Would "Aircrews from the United States Air Force , the British Royal Air Force , the Royal Australian Air Force , the Royal Canadian Air Force , the Royal New Zealand Air Force , and the South African Air Force flew over 200,000 flights in one year, providing up to 4700 tons of daily necessities such as fuel and food to the Berliners." be a reasonable answer?

Choose from: a). No b). Yes
The answer is:
a).