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He ran on a reform platform , defeating what he characterized as the corrupt political machine of Leo P. Carlin , who had been mayor since 1953 .
 person: Leo P. Carlin
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: Leo P. Carlin 
Answer:
 person: Leo P. Carlin