99698
Circumlocution is often used by people with aphasia and people learning a new language , where simple terms can be paraphrased to aid learning or communication ( for example , paraphrasing the word " grandfather " as " the father of one 's father " ) .
 aphasia
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:
 aphasia