98865
" Selective mutism " ( " SM " ) , also known as " situational mutism " , is an anxiety disorder in which a person normally capable of speech cannot speak in specific situations or to specific people if triggered .
 anxiety disorder
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:
 anxiety disorder