8899
The protective role of curcumin on perfluorooctane sulfonate - induced genotoxicity : single cell gel electrophoresis and micronucleus test .
 Chemical: curcumin; Chemical: perfluorooctane sulfonate
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: curcumin, perfluorooctane sulfonate 
Answer:
 Chemical: curcumin; Chemical: perfluorooctane sulfonate