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.

Ex Input:
When did a/c first appear in homes?

Ex Output:
When did the first a/c unit appear in a home?


Ex Input:
When did britain give hong kong to china?

Ex Output:
At what time did britain give hong kong to china?


Ex Input:
When did the han solo movie come out?

Ex Output:

When did the han solo movie first premiered in Los Angeles?