12955
Ag decreased mitochondrial oxygen consumption in a dose - dependent manner and the activity of mitochondrial complex I - IV enzymes was significantly inhibited following exposure to Ag .
 Chemical: Ag; Chemical: oxygen; Chemical: Ag
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: Ag, oxygen, Ag 
Answer:
 Chemical: Ag; Chemical: oxygen; Chemical: Ag