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:
What type of radiation is used in x rays?
answer:
What general type of radiation is used in x rays?


question:
When did xbox one come out in australia?
answer:
When did the Xbox One release in Australia?


question:
When did the stratosphere in las vegas open?
answer:

When did the stratosphere officially open in las vegas open?