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: honorable, balanced, fair, pale, trustworthy

Ex Output:
pale


Ex Input:
Category: widespread 
Words: average, typical, common, general, admiral

Ex Output:
admiral


Ex Input:
Category: secretary duty 
Words: type, space, make coffee, file, schedule

Ex Output:

space