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Unsupervised pattern recognition procedures , cluster analysis and principal component analysis , were used to find data patterns and successfully differentiate authentic and paraffin adulterated beeswax based on the chemical profile obtained .
 Chemical: paraffin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: paraffin