4126
OBJECTIVE : To compare the antihypertensive efficacy of a new angiotensin II antagonist , valsartan , with a reference therapy , amlodipine .
 Chemical: angiotensin II; Chemical: valsartan; Chemical: amlodipine
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: angiotensin II, valsartan, amlodipine 
Answer:
 Chemical: angiotensin II; Chemical: valsartan; Chemical: amlodipine