69583
Reduction is performed by simmering or boiling a liquid such as a stock , fruit or vegetable juices , wine , vinegar , or a sauce until the desired concentration is reached by evaporation .
 stock
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:
 stock