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: food 
Words: blunt, entree, frank, wienerwurst, bun

SOLUTION: blunt

PROBLEM: Category: chocolate food 
Words: brownie, loosen, chocolate cake, fudge, molasses

SOLUTION: loosen

PROBLEM: Category: boats 
Words: blocking, deck, head, hull, dock

SOLUTION:
blocking