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 consistency, answers should be in all lower cased letters.

[Q]: Category: BUSINESS & INDUSTRY 
Clue: This stagecoach company owned the Pony Express during the last few months of its existence
[A]: wells fargo


[Q]: Category: 3-LETTER WORDS 
Clue: To udderly intimidate someone
[A]: cow


[Q]: Category: DIRTY 4-LETTER WORDS 
Clue: Writer Upton Sinclair was a famous "raker" of it
[A]:
muck