Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: Which alliteratively-named politician served as Abraham Lincoln's Vice-President between 1861 and 1865?

Output: abraham lincoln

Input: Consider Input: What is the only nation state of the Commonwealth of Nations on the mainland of South America?

Output: commonwealth of nations

Input: Consider Input: Who played 'Countess Dracula' in the 1971 film of the same name?
Output: countess dracula