14755
Ceftazidime - avibactam appears to be well tolerated in healthy subjects and hospitalized patients , with few serious drug - related treatment - emergent adverse events reported to date . In conclusion , avibactam serves to broaden the spectrum of ceftazidime versus beta - lactamase - producing Gram - negative bacilli .
 Chemical: Ceftazidime; Chemical: avibactam; Chemical: avibactam; Chemical: ceftazidime
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: Ceftazidime, avibactam, avibactam, ceftazidime 
Answer:
 Chemical: Ceftazidime; Chemical: avibactam; Chemical: avibactam; Chemical: ceftazidime