1990
RMET significantly increased serum cortisol levels in normal - weighted subjects , but was associated to a progressive cortisol decline in obese patients .
 Chemical: cortisol; Chemical: cortisol
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: cortisol, cortisol 
Answer:
 Chemical: cortisol; Chemical: cortisol