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Sidi Mubarak Bombay also known as Chuma ( 1820 – 1885 ) was an African guide who participated in numerous expeditions by 19th century British explorers to East Africa .
 Sidi Mubarak Bombay
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sidi Mubarak Bombay