Premise:
"While using foreign investors' saving allows U.S. domestic investment to exceed national saving, these financial inflows have implications for the nation's economic growth and for future living standards."
Hypothesis: The savings of foreign investors allow national saving to be less than domestic investment in the US.

yes

Premise:
"According to the preambles to the proposed and final rules, the Commission reviewed its proposed information collection and, among other things, assessed the need for the information, how the information would be used, and the associated burden."
Hypothesis: The Commission made no inquiry at to the types of information coming in.

no

Premise:
"How come you ain't knowin' 'bout 'wet hosses'?"
Hypothesis: How come you know everything about wet hosses?
no