44048
It was signed by Austria , West Germany , Italy , Luxembourg , Netherlands , Portugal , and Switzerland .
 Austria, West Germany, Italy, Luxembourg, Netherlands, Portugal, Switzerland
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:
 Austria, West Germany, Italy, Luxembourg, Netherlands, Portugal, Switzerland