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He violated his parole by visiting India for religious study in 1987 – 1988 , which led to his final prison term , in federal prison , in 1990 .
 location: India
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:
 location: India