Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Ex Input:
Category: ocean 
Words: late, wave, blue, current, drink

Ex Output:
late


Ex Input:
Category: ocean 
Words: current, early, water, brine, tide

Ex Output:
early


Ex Input:
Category: fried food 
Words: cake, pie, whittle, fritter, danish

Ex Output:

whittle