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]: unyielding, concerted, firm, combined, united
[EX A]: unyielding

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

[EX Q]: handle, knifer, panel, glass, metal
[EX A]:
knifer