Premise:
"Gauve saw something in San'doro's eyes and grew even more pale."
Hypothesis: He saw his eyes and got pale.

yes

Premise:
"Ashkenazi Jews come from central and eastern Europe."
Hypothesis: Ashkenazi Jews come exclusively from North America and Australia.

no

Premise:
"But saving and economic growth alone cannot solve the looming demographic challenges."
Hypothesis: Saving and economic growth alone can't solve demographic challenges
yes