24875
The assay was able to discriminate between the two single - tobacco cigarettes ( P < 0 . 0001 ) , and between the single - tobacco cigarettes and the 2R4F ( P = 0 . 0008 , 2R4F vs . Burley and P < 0 . 0001 , 2R4F vs . Bright ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None