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]: folder, hardware, file, firewall, support
[A]: support


[Q]: fiber, big boned, protein, carbs, fat
[A]: big boned


[Q]: lion, duck, ostrich, push, geese
[A]:
push