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: physical property 
Words: obese, heavy, area, chunky, fat

SOLUTION: heavy

PROBLEM: Category: moral characteristic 
Words: windy, fair, just, ok, loyal

SOLUTION: windy

PROBLEM: Category: type of rigidity 
Words: resistant, firm, shareholders, tough, inflexible

SOLUTION:
shareholders