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After going 18 – 6 with a 1.52 earned run average in the Class C Pioneer League in 1946 , Chesnes was promoted all the way to the Triple-A San Francisco Seals of the Pacific Coast League for 1947 .
 organization: Pioneer League; person: Chesnes; organization: San Francisco Seals; organization: Pacific Coast League
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: Pioneer League, Chesnes, San Francisco Seals, Pacific Coast League 
Answer:
 organization: Pioneer League; person: Chesnes; organization: San Francisco Seals; organization: Pacific Coast League