118718
To limit worst-case memory bandwidth when applying motion compensation in the decoding process , prediction units coded using inter-picture prediction are restricted to a minimum size of 8 × 4 or 4 × 8 if they are predicted from a single reference ( uniprediction ) or 8 × 8 if they are predicted from two references ( biprediction ) .
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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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