Input question: What is the longest river in the world that flows entirely in one country?

Output answer: yangtze

Input question: Godthaab was the former name of which capital city?

Output answer: nuuk

Input question: Which TV character said, 'Live long and prosper'?

Output answer: mr spock

Input question: May 26, 1940 saw Britain embark on Operation Dynamo, the evacuation of British forces from what famed northern French port city in the face of superior German forces?

Output answer:
dunkirk