Generate a question with a factual answer.
Generated: What was the occupation of the person who devised the Tanner categorization system?

Generate a question with a factual answer.
Generated: What is the length of the border that Estonia shares with Russia?

Generate a question with a factual answer.
Generated: With what operating ratio would MUSE Discs operate?

Generate a question with a factual answer.
Generated: What group did Hayek form with three other people?