70427
Interference in the spectrum In November 2005 , many automatic garage doors in Ottawa , Canada , had suddenly , [ 1 ] and strangely , stopped working , due to a powerful radio signal that appears to be interfering with the remote controls that open them .
 location: Ottawa , Canada
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: Ottawa , Canada 
Answer:
 location: Ottawa , Canada