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Then the " K " - rational points of " E " are the points on " E " whose coordinates all lie in " K " , including the point at infinity .
 location: E
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: E 
Answer:
 location: E