Sentence 1: In addition, national saving may vary across countries due to differences in the price of capital goods, income levels, growth rates, economic and social policies, demographics, and even culture.

Sentence 2: National saving might vary across the countries because the price of capital goods varies up to 50%.
Select from the following.
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first sentence?
it is not possible to tell