50435
It is also part of a large conurbation extending towards Ghent , Antwerp , Leuven and Walloon Brabant , home to over 5 " million people .
 Ghent, Antwerp, Leuven, Walloon Brabant
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:
 Ghent, Antwerp, Leuven, Walloon Brabant