Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: police punishment 
Words: penalty, fine, money, arrest, alright
alright

Category: emotional status 
Words: worried, angry, jack, fret, emotional upsets
jack

Category: window material 
Words: lead, panel, glass, cup, spyhole

cup