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: fried food 
Words: sweet roll, seperate, fritter, dunker, dumpling

Ex Output:
seperate


Ex Input:
Category: weather 
Words: brisk, ghostly, windy, fair, deal

Ex Output:
ghostly


Ex Input:
Category: mode of transportation 
Words: fly, bus, jog, grasshopper, soar

Ex Output:

grasshopper