21541
Technical details HEVC replaces macroblock s , which were used with previous video standards , with CTUs which can use larger block structures of up to 64 × 64 pixels and can better sub-partition the picture into variable sized structures .
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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:  
Answer:
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