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.

[Q]: pack, hearts, deck, queen, rudder
[A]: rudder


[Q]: vitamin c, carbs, fiber, fat, thin
[A]: thin


[Q]: jog, cow, horse, duck, dog
[A]:
jog