Premise:
"Yes, thought the Explorer, in a scout-ship, not in this unmaneuverable freighter."
Hypothesis: A scout ship would be much easier to maneuver.

it is not possible to tell

Premise:
"Or else that roughenin' up you took in town still sit sour on your stomach?""
Hypothesis: You were not involved in any fight in town.

no

Premise:
"This is the center for sport fishing especially for blue marlin, which are found in the surrounding waters."
Hypothesis: Sport fishing is a popular sport because many people like it.
it is not possible to tell