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]: probation, ticket, exquisite, suspension, fine
[A]: exquisite


[Q]: ubiquitous, captain, typical, general, boring
[A]: captain


[Q]: answer calls, hardware, firewall, file, keys
[A]:
answer calls