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Production Ikarie XB-1 was a hit at the 1963 Trieste Science Fiction Film Festival and it is now widely regarded as one of the best Eastern Bloc science fiction films of the era , boasting impressive production design , above-average special effects , a strong ensemble cast and an intelligent screenplay ( although much of the subtlety of the original is lost in the English-language version ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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