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He was a post-doctoral fellow in oceanography at the University of Rhode Island under John Knauss , who later preceded Baker as Under Secretary of Commerce and Administrator of NOAA .
 organization: University of Rhode Island; person: Baker
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: University of Rhode Island, Baker 
Answer:
 organization: University of Rhode Island; person: Baker