3867
Caffeine reduced the cadmium concentration in all tissues analyzed .
 Chemical: Caffeine; Chemical: cadmium
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: Caffeine, cadmium 
Answer:
 Chemical: Caffeine; Chemical: cadmium