Premise:
"The site is below sea level (even below river level), hot and sticky in the long summer, surrounded by pestilential swamps, vulnerable to every flood and hurricane, and more than 100 miles (160 km) from the Gulf of Mexico or anywhere else."
Hypothesis: It is 100 miles from the Gulf of Mexico and and 3400 from Brazil!

it is not possible to tell

Premise:
"It was lauded as the best island resort in the world for years, and it is still one of Hawaii's premier oceanfront resorts, with a vast art collection, a great beach, a major golf course, a loyal staff, and a style all its own."
Hypothesis: It has a vast art collection in the resort that is free to observe.

it is not possible to tell

Premise:
"The Coming Conflict with China , by Ross H. Munro and Richard Bernstein (Knopf)."
Hypothesis: Ross Munro and Richard Bernstein's work on China.
yes