5015
worldcom once employed 80 , 000 people and went broke on the largest corporate bankruptcy in the united states .
 the united states, worldcom, 80 , 000 people
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:
 the united states, worldcom, 80 , 000 people