82808
The program included various celebrity guests , including Oprah Winfrey , Cher , Whoopi Goldberg , Grace Jones , Little Richard and Joan Rivers among others .
 Oprah Winfrey, Cher, Whoopi Goldberg, Grace Jones, Little Richard, Joan Rivers
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:
 Oprah Winfrey, Cher, Whoopi Goldberg, Grace Jones, Little Richard, Joan Rivers