109726
The original equipment was part of a 28-car order of four train sets of lightweight stainless steel cars built in 1946 by ACF .
 ACF
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:
 ACF