Problem: Here is a premise:
There followed a long period of peace and prosperity known as the Pax Romana.

Here is a hypothesis:
Pax Romana was a period of war and turmoil.

Here are the options:

Answer: no

Problem: Here is a premise:
The other was puffing closed, and his lip was torn, a trickle of blood rising there to drip down his chin.

Here is a hypothesis:
He wasn't injured at all.

Here are the options:

Answer: no

Problem: Here is a premise:
The men are engaged in ranching operations for Bruce Robinson, owner of the island; the women collect and string the tiny Niihau seashells into leis that fetch big prices.

Here is a hypothesis:
Bruce Robinson owns the island that men are ranching on.

Here are the options:

Answer: yes

Problem: Here is a premise:
The difference in labor costs for rural and city carriers has its roots in the development of the two crafts.

Here is a hypothesis:
There are very strong arguments in favor of equal labor costs.

Here are the options:

Answer:
it is not possible to tell