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: aesthetic characteristic 
Words: high quality, ok, level, classy, fine

SOLUTION: ok

PROBLEM: Category: police punishment 
Words: suspension, arrest, classy, custody, fine

SOLUTION: classy

PROBLEM: Category: ocean 
Words: blue, current, drink, water, prompt

SOLUTION:
prompt