You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: ANIMALS 
Clue: With a young one valued at $1.4 million, Guinness calls them the most costly zoo animals
[A]: giant pandas


[Q]: Category: ANCIENT GREECE 
Clue: The Greeks had 4 national festivals: the Nemean Games, the Pythian Games, the Isthmian Games & these
[A]: the olympic games


[Q]: Category: THE EARTH 
Clue: On the line of latitude known as this, the sun doesn't rise on the winter solstice or set on the summer
[A]:
arctic circle