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.

Ex Input:
Category: moral characteristic 
Words: variety, fine, fair, ok, balanced

Ex Output:
variety


Ex Input:
Category: computers 
Words: hardware, sort mail, download, program, file

Ex Output:
sort mail


Ex Input:
Category: secretary duty 
Words: hardware, file, schedule appointments, sort mail, make coffee

Ex Output:

hardware