29724
We here asked the question whether ROS and possibly ONOO ( - ) could be players in the pathogenesis of SSV .
 Chemical: ONOO ( - )
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: ONOO ( - ) 
Answer:
 Chemical: ONOO ( - )