124540
The site has several narrow gauge rail lines and a number of types of steam engines and vehicles in its collection and is also the home of the national " Dad 's Army " exhibition .
 Dad 's Army
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:
 Dad 's Army