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.

[EX Q]: Category: AMERICAN DATEBOOK 
Clue: On October 4, 1957 Sputnik was launched & this Jerry Mathers TV show premiered
[EX A]: leave it to beaver

[EX Q]: Category: ANAGRAMS 
Clue: The way she rambles on nonsensically, she's truly lost these
[EX A]: marbles

[EX Q]: Category: BUSINESS LETTERS 
Clue: Ka-ching! NCR was once known by this longer name
[EX A]:
national cash register