236710
Similarity Modeling and Preprocessing The goal of cluster analysis is to group elements into disjoint subsets , or clusters , based on similarity between elements , so that elements in the same cluster are highly similar to each other ( homogeneity ) , while elements from different clusters have low similarity to each other ( separation ) .
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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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