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He was then traded on July 21 , 1986 , to the Houston Astros for Frank DiPino .
 organization: Houston Astros; person: Frank DiPino
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: Houston Astros; person: Frank DiPino