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: outdoor sport activity 
Words: dog, swim, hike, hiking, fish

SOLUTION: dog

PROBLEM: Category: emotional status 
Words: sliding, down, emotionalities, remorseful, emotional upsets

SOLUTION: sliding

PROBLEM: Category: guitar part 
Words: emotional supports, board, amp, fret, neck

SOLUTION:
emotional supports