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: weather 
Words: brisk, unprejudiced, fair, endure, clime

SOLUTION: unprejudiced

PROBLEM: Category: bird 
Words: ostrich, digger, sandpiper, crane, goose

SOLUTION: digger

PROBLEM: Category: guitar part 
Words: strap lock, jack, chord, fret, emotionalities

SOLUTION:
emotionalities