Premise:
"Advertising by financial institutions offering IRAs and information about employer-sponsored 401(k) options serve as reminders about ways to save for retirement."
Hypothesis: Financial advertisements serve as a educational tool for people to learn about retirement.

yes

Premise:
"uh okay the engine itself was mostly metric because it came from Canada"
Hypothesis: The Canadian English on the engine was mostly metric.

yes

Premise:
"He nodded."
Hypothesis: He acknowledged that they won the battle.
it is not possible to tell