116562
Another political activist , John Sinclair , poet and co-founder of the White Panther Party , was serving ten years in prison for selling two joints of marijuana after previous convictions for possession of the drug .
 John Sinclair, White Panther Party
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:
 John Sinclair, White Panther Party