3738
Though this fall would be associated with a decrease in wall tension , and , therefore , of myocardial oxygen consumption , it may not be of sufficient magnitude to prevent a net increase in myocardial oxygen consumption .
 Chemical: oxygen; Chemical: oxygen
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: oxygen, oxygen 
Answer:
 Chemical: oxygen; Chemical: oxygen