Problem: Here is a premise:
Concealment was at an end.

Here is a hypothesis:
They had been finally discovered.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
Rates for the Postal Service are set following extensive hearings before the Postal Rate Commission.

Here is a hypothesis:
The Postal Rate Commission plays a large part in determining Postal Service rates.

Here are the options:

Answer: yes

Problem: Here is a premise:
In the future, the way to tell a real computer from an I-appliance will be that you tell a real computer what to do and when to do it whereas an I-appliance will tell you what to do and when to do it.

Here is a hypothesis:
An I-appliance is obedient.

Here are the options:

Answer: no

Problem: Here is a premise:
The home secretary asserted that most defendants demand jury trials for no good reason other than to delay proceedings.

Here is a hypothesis:
The home secretary has personally seen many defendants demand a jury trial.

Here are the options:

Answer:
it is not possible to tell