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The point of departure is " Eisenstein 's lemma " , which states that for distinct odd primes p , q , where \ left \ lfloor x \ right \ rfloor denotes the floor function ( the largest integer less than or equal to x ) , and where the sum is taken over the even integers u = 2 , 4 , 6 , ... , p − 1 .
 person: Eisenstein
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: Eisenstein 
Answer:
 person: Eisenstein