18806
Five integrative biomarker indices are compared : Bioeffects Assessment Index ( BAI ) , Health Status Index ( HSI ) , integrated biological response ( IBR ) , ecosystem health condition chart ( EHCC ) and Integrative Biomarker Index ( IBI ) .
 None
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:  
Answer:
 None