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The Italian Communist Youth Federation ( Italian - Federazione Giovanile Comunista Italiana , or FGCI ) was the youth wing of the Partito Comunista Italiano ( PCI ) , and the direct heir of the Federazione Giovanile Comunista d'Italia of the PCd ' I. History Constituted in 1949 , its peak was in the 1960s , when its membership reached 200,000 and it thus sought to gain a profile independent of its parent organisation .
 Communist Youth Federation, Federazione Giovanile Comunista, Partito Comunista Italiano, Federazione Giovanile Comunista
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Communist Youth Federation, Federazione Giovanile Comunista, Partito Comunista Italiano, Federazione Giovanile Comunista