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.

Input: Consider Input: What percentage of england died from the black plague?

Output: What percentage of england died from the black plague of 1348 according to Philip Daileader?


Input: Consider Input: When did the welfare system began in the us?

Output: When did the first major federal welfare agency began in the us?


Input: Consider Input: Poems of the past and present thomas hardy?


Output: Which collection of poems is the poems of the past and present by Thomas Hardy?