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]: early, water, delayed, history, current
[A]: water


[Q]: down, lower, opposite of up, ground, remorseful
[A]: remorseful


[Q]: brownies, fudge, molasses, pie, unwarranted
[A]:
unwarranted