29125
METHODS : Adult gerbils were treated with MNU alone or associated with testosterone for 3 or 6 months of treatment .
 Chemical: MNU; Chemical: testosterone
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: MNU, testosterone 
Answer:
 Chemical: MNU; Chemical: testosterone