Premise:
"A recent study estimated that a wealth effect of 3 to 4 cents could explain two-fifths to about half of the decline in the personal saving rate since 1988."
Hypothesis: The wealth effect explains the decline in personal savings rate.

it is not possible to tell

Premise:
"The main entrance into Toledo, between the new 16th-century gateway Puerta Nueva de Bisagra and the bullring, stands the Hospital de Tavera equal parts palace, orphanage, and church built by a 16th-century archbishop of Toledo, Juan Pardo de Tavera."
Hypothesis: It took twenty years for the Hospital de Tavera to be built.

it is not possible to tell

Premise:
"Greens fees are constant year round."
Hypothesis: Greens fees do not fluctuate.
yes