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: normal, commander, sargent, private, general

A: normal
****
Q: sugars, obese, big boned, fat, pasty

A: sugars
****
Q: cookies, replace, chocolate cake, tart, fudge

A:
replace
****