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: fried food 
Words: croquet, dumpling, fritter, spend, patty

SOLUTION: spend

PROBLEM: Category: direction 
Words: up, descending, down, lower, melancholy

SOLUTION: melancholy

PROBLEM: Category: food 
Words: wiener, sausage, brash, bun, frank

SOLUTION:
brash