878
One plaintiff , a doctor , testified in an affidavit that he also gave Mr. Peterson $ 50,000 to join a sort of investment club which essentially gave the physician `` the privilege of making additional investments '' with Mr. Peterson .
 One, Peterson, 50,000, Peterson
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:
 One, Peterson, 50,000, Peterson