1803
We experimentally investigate the breakup of an equibiaxially elongated polystyrene ( PS ) drop in a poly ( methyl methacrylate ) ( PMMA ) matrix during relaxation after melt elongation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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