17188
Potential chemical adulterants , including ammonium sulphate , dicyandiamide , melamine , and urea , were mixed together into skim dry milk in the concentration range of 0 . 1 - 5 . 0 % for each adulterant .
 Chemical: ammonium sulphate; Chemical: dicyandiamide; Chemical: melamine; Chemical: urea
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: ammonium sulphate, dicyandiamide, melamine, urea 
Answer:
 Chemical: ammonium sulphate; Chemical: dicyandiamide; Chemical: melamine; Chemical: urea