2315
You will notice that Michael 's real troubles started after he suied Sony chief Tommy Mattola , who was heard to say `` he 'll live to regret the day '' .
 person: Michael; organization: Sony; person: Tommy Mattola; date: day
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 person: Michael; organization: Sony; person: Tommy Mattola; date: day