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: activity 
Words: dally, seperate, fritter, waste, fried

Ex Output:
fried


Ex Input:
Category: bird 
Words: flamingo, crane, upraise, winch, goose

Ex Output:
upraise


Ex Input:
Category: food 
Words: frank, wienerwurst, bun, weenie, precise

Ex Output:

precise