You will be given a definition of a task first, then some input of the task.
You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.

It's not "safe," no - not categorically. It can be, but, since PDFs are misused, it usually is not.

I am finishing a giant piece for Zeldman on this topic. But I will say this: The Human Rights and Equal Opportunity Commission is totally wrong about PDF, and anybody in Australia who's hauled in front of them to answer for their "inaccessible" PDFs really should read my upcoming article, and possibly fly me down there to face off against HREOC mandarins in a hearing.
Output:
Is it now safe to assume that PDFs on sites can be accessed by assistive technology users?