15557
Arsenite induced apocynin - sensitive increases in ROS production in the aortic valve endothelium , but not in the media and adventitia of the iliac artery and aorta .
 Chemical: Arsenite; Chemical: apocynin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Arsenite, apocynin 
Answer:
 Chemical: Arsenite; Chemical: apocynin