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]: fighter, boring, popular, standard, general
[A]: fighter


[Q]: order office supplies, file, errands, prepare, motherboard
[A]: motherboard


[Q]: fat, obese, calories, skinny, large
[A]:
calories