Premise: Thus, in 1996, the Postal Service delivered 2.6 billion fewer pieces of advertising than non-advertising mail.

Hypothesis: The Postal Service had a decrease in the number of advertising mail they delivered in 1996.
Answer: yes

Premise: Happily, many destinations in Malaysia offer a key activity travelers will be searching for, such as exploring Malaysia's culture and history or engaging in a sport like fishing, but often there is an added a nearby jungle for trekking or a beachside resort and this is true throughout the country.

Hypothesis: Tourists love to visit beachside resorts or nearby jungles for trekking, that are spread throughout the country.
Answer: it is not possible to tell

Premise: A new yacht basin to the east allows safe harbor for independent travelers.

Hypothesis: The yacht basin was only made available within the last decade.
Answer: it is not possible to tell

Premise: um-hum so it's during the week

Hypothesis: That week is when the watermelon festival is taking place.
Answer: it is not possible to tell