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: computers 
Words: hardware, download, file, support, program

SOLUTION: support

PROBLEM: Category: animal 
Words: stingray, horse, iguana, wrestle, fish

SOLUTION: wrestle

PROBLEM: Category: physical property 
Words: large, area, skinny, big, fat

SOLUTION:
big