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Later , Kaviraj Shyamaldas ' pupil , Gaurishankar Hirachand Ojha also became a famed historian and writer .
 Kaviraj Shyamaldas, Gaurishankar Hirachand Ojha
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kaviraj Shyamaldas, Gaurishankar Hirachand Ojha