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:
What language do they speak on st lucia?
answer:
What is the official language do they speak on st lucia?


question:
Who wrote the music for shrek the musical?
answer:
Who wrote the music scores for shrek the musical?


question:
Who is the current us army chief of staff?
answer:

Who is the 39th us army chief of staff?