4929
On the other hand , CYP4A1 is the major omega - hydroxylase in the heart and kidney ; whereas CYP4A2 and / or CYP4F1 / 4 are probably the major hydroxlases in the lung and liver .
 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