12978
HIF - 2 alpha is involved in blocking the effects of arsenite in activating the ATM / Chk - 2 pathway and in repair of DNA damage induced by BaP .
 Chemical: arsenite; Chemical: BaP
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: arsenite; Chemical: BaP