Premise:
"Although the management practices described in this guide are fundamental to improving an organization's information security posture, they should be considered in the context of this broader spectrum of issues."
Hypothesis: Only the management practices listed are fundamental in improving an organization.

it is not possible to tell

Premise:
"The Wordsworth Trust now manages the property and offers a guided tour of the cottage that provides insights into the life of the writer, his family, and his friends."
Hypothesis: All the visitors take the guided tour offered by The Wordsworth Trust.

it is not possible to tell

Premise:
"Unfortunately, poor roads and limited public transportation hinder exploration of other parts of the island."
Hypothesis: The island has many explorers that are obstructed from traveling.
it is not possible to tell