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: hot, classy, pretty, fine, probation

A: probation
****
Q: glass, wood, coating, knifer, woodwork

A: knifer
****
Q: major, general, admiral, standard, sargent

A:
standard
****