instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
In 2013 Yahoo purchased which pictures and video microblogging website business that was founded in 2007 in New York City by David Karp?
answer:
yahoo!


question:
What is the name of the astromech droid companion of Anakin Skywalker, Luke Skywalker and Obi-Wan Kenobi in the Star Wars franchise?
answer:
droid


question:
What is the official language of the Dominican Republic?
answer:

dominican republic