You are given a question. You need to detect which category better describes the question. A question belongs to the description category if it asks about description and abstract concepts. Entity questions are about entities such as animals, colors, sports, etc. Abbreviation questions ask about abbreviations and expressions abbreviated. Questions regarding human beings, description of a person, and a group or organization of persons are categorized as Human. Quantity questions are asking about numeric values and Location questions ask about locations, cities, and countries. Answer with "Description", "Entity", "Abbreviation", "Person", "Quantity", and "Location".

[Q]: Which type of soda has the greatest amount of caffeine ?
[A]: Entity


[Q]: What do river otters eat ?
[A]: Entity


[Q]: What trade did the 15th and 16th century Portuguese hope to control between Asia and Europe ?
[A]:
Entity