Improve the grammaticality of this sentence: And in countries like Singapore and Japan, which faces an aging population, the dilemma is even greater.
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The first sentence is a bit more complicated.
The second sentence is a bit more complicated.
The first sentence is a bit more complicated.
The second sentence is a bit more complicated.
The first sentence is a bit more complicated.
The second sentence is a bit more complicated.
The first sentence is a bit more complicated.
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The government of, which is the most populous country in the world, is facing a serious problem. The government is facing a serious problem.
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The government is facing a serious problem.
The government is facing a serious problem.
The government is facing a serious problem.
The government is facing a serious problem.
The government is facing a serious problem.
The government is facing a serious problem.
The government is facing a serious problem