QUESTION: Generate a question with a factual answer?

ANS: How high were some of the buildings in urban Germany?

QUESTION: Generate a question with a factual answer?

ANS: Who invented the point-contact transistor?

QUESTION: Generate a question with a factual answer?

ANS: What is the Charles de Gaulle the flagship of?

QUESTION: Generate a question with a factual answer?

ANS:
How many racial categories would be needed with all the possible combinations of outward features?