147099
The company 's main product is an Electronic Chart System ( ECS ) called Tridentnav ECS .
 organization: Tridentnav
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: Tridentnav 
Answer:
 organization: Tridentnav