24650
In early 1972 , U.S. Attorney General John N. Mitchell released the serial numbers to the general public .
 location: U.S.; person: John N. Mitchell
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: U.S., John N. Mitchell 
Answer:
 location: U.S.; person: John N. Mitchell