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: Which popular animated characters, first seen in 1996 include many different characters including ones called Ash Ketchum, Tracy Sketchit and Gar Oak?

Answer: tracy


Question: Chep Lap Kok airport is located where?

Answer: hong kong international airport


Question: What country hosted the 1978 Football World Cup?

Answer:
1978 fifa world cup