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 Input:
Category: BLASTS FROM THE PAST 
Clue: Many treasures have been excavated from this royal valley (in Egypt)

Ex Output:
valley of the kings


Ex Input:
Category: RIVERS 
Clue: In 1951 it was determined that this river's source was in the Sierra Parima of Venezuela

Ex Output:
the orinoco


Ex Input:
Category: BEASTLY LANGUAGE 
Clue: To create different words, this prefix can go before berry, neck & flesh

Ex Output:

goose