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: fret, truss rod, emotional upsets, sad, worried

Output: truss rod


Input: Consider Input: Category: store status 
Words: beside, finished for the day, running., close, gated

Output: beside


Input: Consider Input: Category: weather 
Words: fair, warm, make the grade, honorable, 70


Output: honorable