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]: motherboard, schedule appointments, schedule, file, type
[A]: motherboard


[Q]: brownie, fudge, wrongful, mangle, loosen
[A]: brownie


[Q]: mile, heel, ankle, ear, foot
[A]:
mile