2596
Just last week the investigation hit a stumbling block , when five Indonesian policemen refused to appear for questioning as witnesses at the Attorney General 's office .
 last week, five, Indonesian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 last week, five, Indonesian