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During his tenure he was the first African American governor of New York and also the second legally blind governor of any U.S. state after Bob C. Riley , who was Governor of Arkansas for 11 days in January 1975 .
 Bob C. Riley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bob C. Riley