24290
Higher 5 - HT and 5 - HIAA levels were detected in PVN and AG from CRS animals but 5 - HIAA / 5 - HT ratio increased in AG only .
 Chemical: 5 - HT; Chemical: 5 - HIAA; Chemical: 5 - HIAA; Chemical: 5 - HT
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 5 - HT, 5 - HIAA, 5 - HIAA, 5 - HT 
Answer:
 Chemical: 5 - HT; Chemical: 5 - HIAA; Chemical: 5 - HIAA; Chemical: 5 - HT