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: secretary duty 
Words: support, hardware, prepare, file, make coffee

Output: hardware


Input: Consider Input: Category: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster

Output: hamster


Input: Consider Input: Category: physical activity 
Words: bend, jog, get down, duck, pig


Output: pig