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: cold, deal, make the grade, unprejudiced, fair

A: unprejudiced
****
Q: hot, classy, pretty, fine, probation

A: probation
****
Q: fish, wave, waggle, grasshopper, fly

A:
wave
****