Problem: Here is a premise:
Even if it isn't, it may succeed in selling that argument to the public.

Here is a hypothesis:
It may succeed in selling that argument even if it is not, said the TV presenter.

Here are the options:

Answer: it is not possible to tell

Problem: Here is a premise:
'Dressed as a harlot? That was an accident.

Here is a hypothesis:
The clothing choice was not on purpose.

Here are the options:

Answer: yes

Problem: Here is a premise:
Haven't you seen trains in collision on the screen?

Here is a hypothesis:
Haven't you observed trains colliding on the screen?

Here are the options:

Answer: yes

Problem: Here is a premise:
This amazing construction is actually an underground cistern, one of many that once stored Constantinople's water supply.

Here is a hypothesis:
This construction looks like a house, but it's actually an underground cistern.

Here are the options:

Answer:
it is not possible to tell