2607
Ketamine - induced psychopathological symptoms were assessed with the Positive and Negative Syndrome Scale ( PANSS ) .
 Chemical: Ketamine
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: Ketamine 
Answer:
 Chemical: Ketamine