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: weather 
Words: luke, equitable, clime, fair, mild

Output: equitable


Input: Consider Input: Category: guitar part 
Words: neck, fret, jack, pick, angry

Output: angry


Input: Consider Input: Category: animal 
Words: fish, dangle, swim, bird, fly


Output: swim