TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: fat, obese, iron, sugar, sugars

SOLUTION: obese

PROBLEM: crew, joker, deck, chips, pack

SOLUTION: crew

PROBLEM: fine, custody, level, beautiful, attractive

SOLUTION:
custody