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: bird 
Words: goose, hoist, neck, swallow, crane

SOLUTION: hoist

PROBLEM: Category: poker 
Words: blind, chips, queen, gunwale, deck

SOLUTION: gunwale

PROBLEM: Category: police punishment 
Words: fine, flyaway, relaxed, firstrate, prison

SOLUTION:
relaxed