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: computers 
Words: hardware, sort mail, download, program, file

Output: sort mail


Input: Consider Input: Category: moral characteristic 
Words: loyal, alright, fair, unprejudiced, 70

Output: 70


Input: Consider Input: Category: body part 
Words: arm, foot, meter, heel, finger


Output: meter