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For instance , Tania Singer says that clinicians or caregivers must be objective to the emotions of others , to not over-invest their own emotions for the other , at the risk of draining away their own resourcefulness .
 Tania Singer, draining away
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:
 Tania Singer, draining away