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Nicotine is a major pharmacologically active and addictive component of tobacco smoke , which is regarded to be a primary risk factor in the development of cardiovascular and pulmonary diseases .
 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