133125
Stock prices dropped sharply in Europe and Asia Monday , with fears of economic problems in the United States causing some of the biggest single-day losses in recent years .
 Europe, Asia, United States
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:
 Europe, Asia, United States