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: file, keys, document, fax, ram

A: fax
****
Q: crane, pelican, egret, hummingbird, upraise

A: upraise
****
Q: brandy, blackjack, hearts, bridge, gin

A:
brandy
****