instruction:
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.
question:
When was the first personal computer sold to the public?
answer:
When was the first personal computer sold to the public in a limited fashion? 
 1957


question:
What are the products that result from the light reactions of photosynthesis?
answer:
What are the products that result from the light reactions of oxygenic photosynthesis? 
 O2, NADPH, ATP


question:
Who has the largest twitter following in the world?
answer:

Which account has the largest twitter following in the world? 
 @BarackObama