Premise:
"It shows both the aggregate trend and how saving by households, businesses, and governments affected net national saving."
Hypothesis: It was shown that households and governments impacted the levels of saving in the country.

yes

Premise:
"it was usually on um Thursday nights"
Hypothesis: Once in awhile it was on Tuesday nights.

it is not possible to tell

Premise:
"i think a lot of them very positive uh since his retirement the first of January in nineteen ninety i've gone back to subbing and of course subbing is a very different endeavor than teaching uh"
Hypothesis: Since his retirement, I went back to being a substitute teacher.
yes