14504
In 1959 trade unions at Colombo Harbour went on strike crippling imports and exports .
 location: Colombo Harbour
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: Colombo Harbour 
Answer:
 location: Colombo Harbour