7131
The ability of these five scavengers to detoxify nerve agents ( cyclosarin , soman , tabun and VX ) was evaluated by a semi - quantitative biological assay .
 Chemical: cyclosarin
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: cyclosarin 
Answer:
 Chemical: cyclosarin