286523
He was active in various trade union movements and was also instrumental in the struggles of the people belonging to the lower economic strata of coastal Andhra Pradesh and Orissa .
 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