Premise:
"Although future Medicare costs are expected to consume a growing share of the federal budget and the economy, pressure is mounting to expand Medicare's benefit package to cover prescription drugs, which will add billions to Medicare program costs."
Hypothesis: Adding coverage for prescription drugs to Medicare would cost billions of dollars.

yes

Premise:
"All for the good of the cause."
Hypothesis: Everything for done for the cause.

yes

Premise:
"Not surprisingly, when the obese patients stopped taking these drugs, their weights returned to baseline levels."
Hypothesis: When obese patients stopped taking the drugs, their weights increased.
no