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.

[EX Q]: ashamed, down, emotional upsets, disgusted, ground
[EX A]: ground

[EX Q]: ounce, foot, kilometer, milimeter, heel
[EX A]: heel

[EX Q]: cold, cool, icy, assured, mild
[EX A]:
assured