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.

[EX Q]: folder, hardware, file, firewall, support
[EX A]: support

[EX Q]: fine, prime, firstrate, custody, ok
[EX A]: ok

[EX Q]: smear, falsehood, smuggled, truffles, fudge
[EX A]:
truffles