Instructions: 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.
Input: Category: WALL STREET 
Clue: As part of 1997 changes to its industrial average group, Dow Jones replaced Woolworth with this retailer
Output:
wal-mart