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

SOLUTION: gunwale

PROBLEM: Category: body part 
Words: heel, shin, pound, finger, foot

SOLUTION: pound

PROBLEM: Category: construction 
Words: winch, steam roller, crane, windlass, dump truck

SOLUTION:
winch