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]: the jungle book is a collection of stories written by rudyard kipling.
[A]: the jungle book


[Q]: aesthetics is a branch of philosophy.
[A]: aesthetics


[Q]: ford edge is a mid-size crossover vehicle.
[A]:
ford edge