Premise:
"Dentistry is a hassle now because it works."
Hypothesis: Dentistry doesn't work.

no

Premise:
"The building remains you'll see once housed French workmen who came here in 1844 to cut marble for Napoleon's tomb in the H??tel des Invalides in Paris."
Hypothesis: The French marble cutters lived in this building at one point.

yes

Premise:
"Decreasing extinction (in units of inverse distance) can in turn be used to estimate quantitative measures more directly related to human perception such as contrast of distant targets and visual range."
Hypothesis: Lowering extinction can be used to estimate numerical measures related to human perceptions.
yes