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.

Input: Consider Input: Category: emotional status 
Words: truss rod, emotional supports, emotional upsets, emotionalities, fret

Output: truss rod


Input: Consider Input: Category: window material 
Words: metal, handle, dish, glass, vinyl

Output: dish


Input: Consider Input: Category: poker 
Words: deck, queen, rudder, call, hearts


Output: rudder