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]: frank, bold, brash, precise, pork
[EX A]: pork

[EX Q]: truss rod, pick, chord, worried, fret
[EX A]: worried

[EX Q]: fiber, pasty, heavy, fat, sugar
[EX A]:
pasty