instruction:
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.
question:
Who sang on the banks of the river?
answer:
Who sang background on the 1959 song with lyrics on the banks of the river?


question:
When did american beauty/american psycho come out?
answer:
When did the album American Beauty/American Psycho come out?


question:
Which type of memory shows a much greater decline with age than others?
answer:

Which type of memory shows a much greater decline with age than others types of memory that also decline?