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After that he was active in the Italian Democratic Socialist Party , in Socialist Autonomy , in Popular Unity and in the Italian Socialist Party , which he represented in the Chamber of Deputies from 1958 to 1968 and in the Senate of the Republic from 1968 to 1972 .
 organization: Italian Democratic Socialist Party; organization: Socialist Autonomy; organization: Popular Unity; organization: Italian Socialist Party
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Italian Democratic Socialist Party, Socialist Autonomy, Popular Unity, Italian Socialist Party 
Answer:
 organization: Italian Democratic Socialist Party; organization: Socialist Autonomy; organization: Popular Unity; organization: Italian Socialist Party