Here is a premise:
That would be all right if he could offer some other coherent way to think about these issues, or even if his critique were arresting or persuasive.

Here is a hypothesis:
He cannot offer a coherent way to think about domestic policy.

Here are the options: Options: -- yes -- it is not possible to tell -- no
Is it possible to conclude that if the premise is true, then so is the hypothesis?
it is not possible to tell