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Separately , Juppe confirmed the conservative government was preparing to submit a draft bill to parliament to tighten laws on illegal workers as part of a crackdown on immigration .
 person: Juppe
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 person: Juppe