29874
However , every train has at least one staff for patrol in the traffic hour who able to control the train manually because of the requirement of the Fire Services Department since its commencement .
 Fire Services Department
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Fire Services Department