2833
In an effort to discover novel catalytic bioscavengers of organophosphorus ( OP ) nerve agents , cell lysates from a diverse set of bacterial strains were screened for their capacity to hydrolyze the OP nerve agents VX , VR , and soman ( GD ) .
 Chemical: organophosphorus; Chemical: soman
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: organophosphorus; Chemical: soman