88733
For gel electrophoresis of protein , the bands may be visualised with Coomassie or silver stains .
 person: Coomassie
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Coomassie 
Answer:
 person: Coomassie