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]: even, size, fair, level, ok
[A]: ok


[Q]: motherboard, folder, hardware, file, schedule appointments
[A]: schedule appointments


[Q]: fish, shark, kayak, sea turtle, dolphin
[A]:
kayak