TASK DEFINITION: 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.
PROBLEM: Who was in charge of russia during the cold war?

SOLUTION: Who was in charge of Russia at the beginning of the Cold War? 
 Joseph Stalin

PROBLEM: Which is first hannibal and silence of the lambs?

SOLUTION: Which is first in the novel series: Hannibal or Silence of the Lambs? 
 The Silence of the Lambs

PROBLEM: When did the earth and solar system form?

SOLUTION:
When did the Solar System form? 
 4.5 billion years ago