1324
Differences in the parameters of training under the influence of pentobarbital between Groups 1 and 2 were revealed .
 Chemical: pentobarbital
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: pentobarbital 
Answer:
 Chemical: pentobarbital