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: lifeline, stern, fold, deck, rudder

SOLUTION: fold

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

SOLUTION: galley

PROBLEM: Category: mode of transportation 
Words: flutter, bus, bike, jump, fly

SOLUTION:
jump