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: moral characteristic 
Words: frank, stern, bun, concise, precise

SOLUTION: bun

PROBLEM: Category: type of sandwich 
Words: clan, lettuce, bacon, club, submarine

SOLUTION: clan

PROBLEM: Category: moral characteristic 
Words: fair, warm, loyal, honorable, impartial

SOLUTION:
warm