19693
Caffeic acid treatment alters the extracellular adenine nucleotide hydrolysis in platelets and lymphocytes of adult rats .
 Chemical: Caffeic acid; Chemical: adenine nucleotide
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: Caffeic acid, adenine nucleotide 
Answer:
 Chemical: Caffeic acid; Chemical: adenine nucleotide