99201
His formal education , which did not began until at age 15 in the midst of the socialist campaigns to eradicate illiteracy ; around this time he found employment in various jobs involving manual labor , including as a porter and railway depot employee .
 None
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:  
Answer:
 None