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He later became suspicious of their humanitarian motives and denounced socialist leaders as an ' aristocracy of brigands ' who threatened to despoil the country and criticized the government of Giovanni Giolitti for not taking a tougher stance against worker strikes .
 person: Giovanni Giolitti
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
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Text: {0} 
Answer:
 person: Giovanni Giolitti