1436
However , scopolamine and ritanserin co - administration resulted in a significant decrease in escape latencies and traveled distances as compared to the scopolamine - treated rats .
 Chemical: scopolamine; Chemical: ritanserin; 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, ritanserin, scopolamine 
Answer:
 Chemical: scopolamine; Chemical: ritanserin; Chemical: scopolamine