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He then hit his first major league home run off Pittsburgh Pirates ' pitcher Jesse Chavez in the top of the 8th inning , a blast over the right field wall .
 organization: Pittsburgh Pirates; person: Jesse Chavez
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Pittsburgh Pirates; person: Jesse Chavez