I believe it is figurative language.
Mass failures in public examinations: a natural disaster (Im not sure if this is the answer you were looking for but hopefully it helps :) )
Answer:
Using facts that are backed up by creditable sources, keep a level head; speak or type confidently, when trying to persuade someone don't be quick to correct them or talk over them. make sure you let them share their views and then if you can, rearrange your passage to best fit their ideas.
Explanation:
(trust me, as a student studying law for fun, we do this a lot.
Hopefully that was helpful to some extent.)