2773
Basson was accused of directing South Africa ' s former apartheid regime ' s biochemical efforts aimed at destroying its opponents .
 South Africa, South Africa ' s former apartheid regime, its, Basson, its opponents
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 South Africa, South Africa ' s former apartheid regime, its, Basson, its opponents