In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

Q: When did the second world war end in europe?

A: When did the second world war end in europe as measured by the surrender of Germans on Bear Island? 
 September 4, 1945
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Q: Who was in charge of russia during the cold war?

A: Who was in charge of Russia at the beginning of the Cold War? 
 Joseph Stalin
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Q: When did poland become part of the eu?

A:
When did Poland sign the Treaty of Accession to become part of the EU? 
 16 April 2003
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