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: crying, truss rod, angry, emotional supports, fret

A: truss rod
****
Q: emotional upsets, emotional supports, down, ashamed, up

A: up
****
Q: funny, level, cool, calm, cold

A:
cold
****