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: fine, custody, level, beautiful, attractive

SOLUTION: custody

PROBLEM: Category: boxing terminology 
Words: glove, level, deck, corner, board

SOLUTION: board

PROBLEM: Category: mode of transportation 
Words: car, swim, swim, jog, fly

SOLUTION:
swim