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: emotional status 
Words: emotional, ground, ashamed, emotional upsets, down

Ex Output:
ground


Ex Input:
Category: kitchenware 
Words: spoon, glass, bowl, lead, cup

Ex Output:
lead


Ex Input:
Category: food 
Words: frank, goodies, honest, cheese, hot dog

Ex Output:

honest