276663
Tetra keeps to the formula of sending a volunteer engineer or technician to investigate low-tech but ingenious solutions to an individual ’s day-to-day access problems .
 organization: Tetra
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: Tetra 
Answer:
 organization: Tetra