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: swim, dive, fly, car, bee

SOLUTION: car

PROBLEM: Category: nutritional value 
Words: fat, protein, vitamin c, fiber, area

SOLUTION: area

PROBLEM: Category: aesthetic characteristic 
Words: cool, luke, fair, pale, well

SOLUTION:
luke