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Reused water may also be directed toward fulfilling certain needs in residences ( e.g. toilet flushing ) , businesses , and industry , and could even be treated to reach drinking water standards .
 drinking water
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:
 drinking water