Premise:
"For something more high-tech, Eilat offers 20,000 Leagues Under the Sea aboard the Jules Verne mobile underwater observatory boat."
Hypothesis: The Jules Verne themed 20,000 Leagues Under the Sea program takes place aboard an observatory boat.

yes

Premise:
"With 191 Mr. Brown unmasked and captured he believed, rightly or wrongly, that the whole organization would crumble ignominiously and instantaneously."
Hypothesis: He wanted to capture 191 Mr. Brown so the organization would crumble.

it is not possible to tell

Premise:
"Races are held between April and December at the Veliefendi Hippodrome near Bakerky, 15 km (9 miles) west of Istanbul."
Hypothesis: There are races from April to December at Veliefendi Hippodrome.
yes