Problem: Here is a premise:
'It's going to be a long journey.' White said defensively, off my expression.

Here is a hypothesis:
White was saying it would be a long journey.

Here are the options:

Answer: yes

Problem: Here is a premise:
For example, the policy states there should be no significant manufacturing risks but does not define what this means or how it is measured.

Here is a hypothesis:
Manufacturing risks are not defined in the policy.

Here are the options:

Answer: yes

Problem: Here is a premise:
I suppose it is aging that has changed my attitude.

Here is a hypothesis:
I guess my mind changes as I get old.

Here are the options:

Answer: yes

Problem: Here is a premise:
How dull I am to have missed it.

Here is a hypothesis:
I would not have missed it if I wasn't so dull.

Here are the options:

Answer:
it is not possible to tell