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In 1910 , Porter left Chemical to become a partner in the firm J.P. Morgan & Co. Other affiliations Porter was educated at Middlebury Academy and the Saratoga High School .
 person: Porter; organization: Chemical; organization: J.P. Morgan & Co.; person: Porter; organization: Middlebury Academy
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: Porter, Chemical, J.P. Morgan & Co., Porter, Middlebury Academy 
Answer:
 person: Porter; organization: Chemical; organization: J.P. Morgan & Co.; person: Porter; organization: Middlebury Academy