Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: What is the official language of the Dominican Republic?

Answer: dominican republic


Question: Laurence Olivier directed and starred in a 1944 film, which began in the Globe Theatre and then gradually shifted to a realistic evocation of the Battle of Agincourt, which was adapted from which one of Shakespeare's plays?

Answer: battle of agincourt


Question: Which breed of dog, bred for hare coursing and racing, can reach speeds of over 40mph?

Answer:
dog