23865
Positive correlations between biomass twenty - five percent inhibition concentrations ( IC25s ) , biomass estimated marginal means and in - stream atrazine concentrations were observed , providing evidence that atrazine exposure is linked to a decrease in sensitivity to atrazine .
 Chemical: atrazine; Chemical: atrazine; Chemical: atrazine
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: atrazine, atrazine, atrazine 
Answer:
 Chemical: atrazine; Chemical: atrazine; Chemical: atrazine