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: poker 
Words: deck, galley, check, joker, queen

SOLUTION: galley

PROBLEM: Category: employment activity 
Words: replace, ice, fire, ban, hire

SOLUTION: ice

PROBLEM: Category: baby animals 
Words: buck, bambi, lust, fawn, deer

SOLUTION:
lust