10724
Zinc as zinc sulphate was supplemented to rats at a dose of 227mg / l in drinking water .
 Chemical: Zinc; Chemical: zinc sulphate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Zinc; Chemical: zinc sulphate