1419
The mean reduction in MSSBP / MSDBP with VAL / HCTZ 320 / 25 mg was 24 . 7 / 16 . 6 mm Hg , compared with 5 . 9 / 7 . 0 mm Hg with placebo .
 Chemical: VAL; Chemical: HCTZ
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: VAL; Chemical: HCTZ