89756
Work leading to the emergence of the gas turbine locomotive began in France and Sweden in the 1920 s but the first locomotive did not appear until the 1940 s .
 France, Sweden
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:
 France, Sweden