Problem: Here is a premise:
Many low-budget guest houses have bulletin boards where trekkers leave messages for friends or advertise for trekking companions.

Here is a hypothesis:
Trekkers usually leave messages for their mothers.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
He offers his philosophical view.

Here is a hypothesis:
He sat silently and didn't speak.

Here are the options:

Answer: no

Problem: Here is a premise:
Serb and Israeli cities made themselves sister cities.

Here is a hypothesis:
Some Serbian and Israeli cities are of a like mind and have become similar.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
Often left out of the tour group itinerary, this part of the west bank can be much quieter than the better-known attractions, but they offer some interesting insights into Egyptian life and some excellent remains.

Here is a hypothesis:
The places of interest at the west bank are popular with tour groups.

Here are the options:

Answer:
no