Premise:
"Macau, the final bastion of Portugal's great 16th-century empire, is much more than just a quirk of history."
Hypothesis: Macau was the most important part of Portugal's 16th-century empire.

it is not possible to tell

Premise:
"The Hollywood sign over Beachwood Canyon is perhaps the most recognized landmark in Los Angeles and a favorite photo background."
Hypothesis: Beachwood Canyon is not officially a part of Hollywood.

it is not possible to tell

Premise:
"If key recovery is adopted, terrorists are likely to eschew it in favor of unbreakable technology."
Hypothesis: Terrorists enjoy running Apple iTunes on their computers.
it is not possible to tell