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]: christian lous lange (september 17, 1869 – december 11, 1938) was a norwegian historian, teacher, and political scientist.
[A]: christian lous lange


[Q]: jennifer warnes is an american singer.
[A]: jennifer warnes


[Q]: king fahd international airport , also known by the acronym kfia, is a saudi international airport near dammam.
[A]:
king fahd international airport