The document discusses inferential questions for a comprehension exam. It explains that for these questions, test takers must make deductions using clues from the passage, read between the lines, and figure out what the author is implying. It provides two example inferential questions from past exams: one asking for the reason why discoveries were left in place, and another asking what the author's expression about ordinary life stopped in its tracks tells us about the nature of an eruption in AD 79.