Premise: Generally, the central security management groups were responsible for developing written corporatewide policies in partnership with business managers, internal auditors, and attorneys.

Hypothesis: The central security management groups in addition to developing written policies also make webinars going over them.
Answer: it is not possible to tell

Premise: The railroad was coming, and when it arrived, Las Vegas would never be the same again.

Hypothesis: Las Vegas changed drastically after the arrival of the railroad.
Answer: yes

Premise: Just about directly offshore from here lies the island of Tagomago, now linked to the mainland of Ibiza by regular excursion boats.

Hypothesis: Tagomago is a peninsula on the island of Ibiza.
Answer: no

Premise: This is the state, after all, that gets credit for sending Don Nickles and Ernest Istook to Washington.

Hypothesis: This state gets all the credit for Ernest Istook's trip to Indiana.
Answer: no