1437
Our findings show that microinjection of ritanserin into the CA1 region of the hippocampus improves the scopolamine - induced amnesia .
 Chemical: ritanserin; Chemical: scopolamine; Disease: amnesia
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: ritanserin, scopolamine, amnesia 
Answer:
 Chemical: ritanserin; Chemical: scopolamine; Disease: amnesia