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This central charge would thus be approximately half the atomic weight ( though it was almost 25 % different from the atomic number of gold , ) , the single element from which Rutherford made his guess ) .
 person: Rutherford
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: Rutherford 
Answer:
 person: Rutherford