21579
Using a within - subjects design , sessions involved no smoking or smoking denicotinized ( 0 . 05 mg ) or nicotine ( 0 . 6 mg ) Quest ( R ) brand cigarettes .
 Chemical: nicotine
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: nicotine