20154
Crotonaldehyde - stimulated macrophages also amplify the inflammatory response by enhancing IL - 8 release from airway epithelial cells mediated by NF - kappa B and AP - 1 pathways through a mechanism involving TNF - alpha and IL - 1 beta .
 Chemical: Crotonaldehyde
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: Crotonaldehyde