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A major part of the coastline comprises a marshy jungle , the Sundarbans , the largest mangrove forest in the world and home to diverse flora and fauna , including the royal Bengal tiger .
 Sundarbans, Bengal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sundarbans, Bengal