6258
Big Board and Merc officials expressed satisfaction with the results of two limits imposed on of the Merc 's Standard & Poor 's 500 contract , as well as `` hot - line '' communications among exchanges .
 organization: Big Board; organization: Merc; cardinal: two; organization: Merc; organization: Standard & Poor; cardinal: 500
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:
 organization: Big Board; organization: Merc; cardinal: two; organization: Merc; organization: Standard & Poor; cardinal: 500