In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.

Q: When did sound become a regular part of the motion picture viewing experience?

A: When did sound become introduced as part of the motion picture viewing experience?
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Q: When does the school year start in sweden?

A: When do primary and secondary schools start the school year in Sweden?
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Q: Which established the guidelines by which new states would be added to the united states?

A:
Which clause established the guidelines by which new states would be added to the united states?
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