instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: FROM B TO C 
Clue: A group of nations acting together, like the old Soviet one
answer:
bloc


question:
Category: GOVERNMENT AGENCIES 
Clue: The Centers for Disease Control & Prevention is an agency of this department
answer:
health and human services


question:
Category: STOCK LINGO 
Clue: This type of account allows an investor to buy securities on credit provided by the broker
answer:

the margin account