16135
Mussels ( whole flesh ) accumulated AZAs to levels above the regulatory limit , except at the lower levels of dissolved AZAs .
 Chemical: AZAs; Chemical: AZAs
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: AZAs, AZAs 
Answer:
 Chemical: AZAs; Chemical: AZAs