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: concise, frank, matter of fact, pork, blunt

SOLUTION: pork

PROBLEM: Category: emotional display 
Words: buck, identity, culture, fawn, pester

SOLUTION: buck

PROBLEM: Category: poker 
Words: fold, draw, pack, tko, deck

SOLUTION:
tko