18735
The imposition of As caused marked increase in the MDA and H2O2 content .
 Chemical: As; Chemical: MDA; Chemical: H2O2
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: As; Chemical: MDA; Chemical: H2O2