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: boats 
Words: hull, deck, rudder, check, lifeline

SOLUTION: check

PROBLEM: Category: poker 
Words: fold, queen, deck, galley, call

SOLUTION: galley

PROBLEM: Category: boats 
Words: deck, galley, blind, bridge, crew

SOLUTION:
blind