8836
The results show that ROS production by viable spermatozoa is highly correlated with the concentration of PMN elastase and the number of both peroxidase - positive and round cells .
 GENE: PMN elastase; GENE: peroxidase
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: PMN elastase, peroxidase 
Answer:
 GENE: PMN elastase; GENE: peroxidase