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".
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Question: What is measured in curies ?

Answer: Description


Question: How large is the Arctic refuge to preserve unique wildlife and wilderness value on Alaska 's north coast ?

Answer: Quantity


Question: What are the chances of pregnacy if the penis does not penetrate the vagina ?

Answer:
Quantity