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.

[Q]: island of the blue dolphins is an american book written for children by scott o'dell.
[A]: island of the blue dolphins


[Q]: the king of fighters '94 is a 1994 fighting game released by snk for the neo geo arcade and home consoles.
[A]: the king of fighters


[Q]: the five pillars of islam are five basic rules in islam that all muslims should follow.
[A]:
five pillars of islam