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 the old age pension start in australia?

Ex Output:
When did an old age pension start in parts of australia?


Ex Input:
Who were the first european to reach the americas and when did they arrive?

Ex Output:
Who were the first Europeans to reach the Americas?


Ex Input:
Halloween 6 who is the man in black?

Ex Output:

Halloween 6 who is the character that is the man in black?