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: animal 
Words: hamster, fish, tiger, canyoning, sea turtle

SOLUTION: canyoning

PROBLEM: Category: nutritional value 
Words: heavy, protein, fat, sugars, area

SOLUTION: area

PROBLEM: Category: card games 
Words: blackjack, wine, uno, spider, gin

SOLUTION:
wine