6998
However , aggressive encounters also increased activation of AVT neurons in the BNST , which is incongruous with findings in other species .
 Chemical: AVT
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: AVT 
Answer:
 Chemical: AVT