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: guitar part
Words: frustrated, amp, string, fret, headstock

SOLUTION: frustrated

PROBLEM: Category: boxing terminology
Words: deck, corner, blocking, call, box

SOLUTION: call

PROBLEM: Category: geographical property
Words: flat, horizontal, smooshed, elevation, house

SOLUTION:
house