1663
In contrast to controls , methoctramine increased - - instead of decreased - - the tonic responses at high frequencies .
 Chemical: methoctramine
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: methoctramine 
Answer:
 Chemical: methoctramine