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: aesthetic characteristic 
Words: there, ticket, fine, dull, level

Ex Output:
ticket


Ex Input:
Category: secretary duty 
Words: support, type, file, software, answer

Ex Output:
software


Ex Input:
Category: police punishment 
Words: jail, hearing, fine, relaxed, flyaway

Ex Output:

relaxed