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]: unyielding, firm, llc, alignment, private
[A]: unyielding


[Q]: ecstatic, specialty, substance, content, merchandise
[A]: ecstatic


[Q]: fret, frustrated, emotionalities, worried, output cord
[A]:
output cord