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 are the only players eligible to score points in Roller Derby called ?

Answer: Person


Question: What problems contributed to the high failure rate of Plains farmers in the 1800s ?

Answer: Description


Question: What are the first six words of Dickens 's A Tale of Two Cities ?

Answer:
Entity