Generate a question with a factual answer.
Generated: How did Edison achieve a higher vacuum than other inventors?

Generate a question with a factual answer.
Generated: What was one of the first things that the newly-elected Dwight Eisenhower did after the election?

Generate a question with a factual answer.
Generated: What is located on East 90th Street between York Avenue and East End Avenue?

Generate a question with a factual answer.
Generated: What other patterns are consistent with unequal living standards?