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]: mallet, winch, parrot, winch, crane
[A]: winch


[Q]: doorstep, grilled cheese, toast, club, bar
[A]:
bar