26895
Its mechanisms of action include : the activation of metabolizing enzymes that detoxify carcinogens ; suppression of the formation of DNA adducts ; antioxidant effects ; regulation of cell - cycle arrest ; induction of apoptosis and differentiation ; histone modification ; and inhibition of angiogenesis and invasion .
 None
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:  
Answer:
 None