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: kitchenware 
Words: spoon, glass, bowl, lead, cup

Ex Output:
lead


Ex Input:
Category: emotional status 
Words: fret, emotional supports, output cord, angry, concerned

Ex Output:
output cord


Ex Input:
Category: direction 
Words: down, downward, below, loveful, flat

Ex Output:

loveful