instruction:
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.
question:
When did sound become a regular part of the motion picture viewing experience?
answer:
When did sound become introduced as part of the motion picture viewing experience?


question:
Who plays drax on gaurdians of the galaxy?
answer:
Who plays drax on the Ultimate Spider-Man episode gaurdians of the galaxy?


question:
What was the slogan of the republic in french revolution?
answer:

What is popularly accepted as the slogan of the republic in french revolution?