Generate a question with a factual answer.
Generated: What did the group at the Bells house hear other people doing?

Generate a question with a factual answer.
Generated: What was Droysen's work called that explained the era?

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Generated: Which literary work used the fictional narrator Mr. Spectator to entertain and provoke discussion regarding serious philosophical matters?

Generate a question with a factual answer.
Generated: When it is burned what does hydrogen make?