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: emotional status 
Words: down, melancholy, below, loveful, kind

SOLUTION: below

PROBLEM: Category: construction 
Words: windlass, crane, hoist, digger, upraise

SOLUTION: hoist

PROBLEM: Category: consumer product 
Words: thing, specialty, content, file, fearful

SOLUTION:
fearful