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.

[EX Q]: brash, frank, bun, hot dog, grub
[EX A]: brash

[EX Q]: goodies, fortitude, frank, pork, weenie
[EX A]: fortitude

[EX Q]: obese, heavy, fat, sugar, sugars
[EX A]:
obese