2906
Thirty - six iopentol injections , 35 iohexol injections and 37 metrizoate injections were made .
 Chemical: iopentol; Chemical: iohexol; Chemical: metrizoate
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: iopentol, iohexol, metrizoate 
Answer:
 Chemical: iopentol; Chemical: iohexol; Chemical: metrizoate