1450
Injections of scopolamine into mice resulted in impaired performance on Y - maze tests ( a 37 % decreases in alternation behavior ) .
 Chemical: scopolamine
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: scopolamine 
Answer:
 Chemical: scopolamine