<span><span>verb (used with object), prognosticated, prognosticating.</span>1.<span>to forecast or predict (something future) from present indications orsigns; prophesy.</span>2.to foretoken; presage:birds prognosticating spring.</span><span><span>verb (used without object), prognosticated, prognosticating.</span>3.<span>to make a forecast; <span>prophesy. source: </span></span>http://www.dictionary.com/browse/prognosticator</span>
The correct answer is "A, Genres" because a type of book is a genre and not a topic.
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The Answer is (B) with understanding