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

SOLUTION: area

PROBLEM: Category: body part 
Words: heel, shin, pound, finger, foot

SOLUTION: pound

PROBLEM: Category: aesthetic characteristic 
Words: there, beautiful, neat, fine, annoyed

SOLUTION:
annoyed