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In an effort to gain an independent state based on linguistic identity , and to protect the interests of the Telugu-speaking people of Madras State , Potti Sreeramulu fasted to death in 1952 .
 Madras State, Potti Sreeramulu
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Madras State, Potti Sreeramulu