Premise:
"Unemployment has dropped to 2.6 percent between February and April 1997 from 3.3 percent in the same period a year ago."
Hypothesis: In the beginning months of 1997, there was a drop in unemployment, down to 2.6 percent.

yes

Premise:
"What did Jon expect? He fled and I'm not surprised he did, said Ca'daan."
Hypothesis: He was a very bad man. It was to be expected that he fled, said Ca'daan.

it is not possible to tell

Premise:
"For summer visitors, in addition to superb facilities for tennis and swimming, the town's setting among grassy alpine meadows and pine, spruce, and larch forest is perfect for hikes."
Hypothesis: Hikers avoid the town because it is impossible to hike near it.
no