Problem: Here is a premise:
Beachfront sports shops are willing to rent you a board and can usually direct you toward lessons as well.

Here is a hypothesis:
Beachfront sports shops generally won't have boards available for renting.

Here are the options:

Answer: no

Problem: Here is a premise:
The labyrinth of narrow alleys constitutes several different quarters, each specializing in a particular skill or merchandise.

Here is a hypothesis:
Once you enter the labyrinth, it is very difficult to find your way out.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
You can also take harbor cruises from here.

Here is a hypothesis:
Harbor cruises no longer are available because of lack of interest.

Here are the options:

Answer: no

Problem: Here is a premise:
Every one was on his feet.

Here is a hypothesis:
They shot towards the exit and onto the street.

Here are the options:

Answer:
it is not possible to tell