Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
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Question: fukuoka airport (福岡空港, fukuoka kūkō) , formerly known as itazuke air base, is a japanese airport in fukuoka.

Answer: fukuoka airport


Question: mylo xyloto is the fifth studio album by coldplay.

Answer: mylo xyloto


Question: song ikp'il (, february 10 1534 - august 8 1599), also known as unjang, was a korean scholar, writer, politician, and neo-confucian philosopher of the joseon period.

Answer:
song ikp'il