16600
As Foreign Minister Leon Trotsky wrote , " To delay negotiations , there must be someone to do the delaying " .
 person: Leon Trotsky
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: Leon Trotsky 
Answer:
 person: Leon Trotsky