TASK DEFINITION: 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.
PROBLEM: Category: accomodation 
Words: apartment, cabin, squashed, smooth, flat

SOLUTION: smooth

PROBLEM: Category: weather 
Words: brisk, ghostly, windy, fair, deal

SOLUTION: ghostly

PROBLEM: Category: food 
Words: stern, pork, wiener, frank, vittles

SOLUTION:
stern