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: folder, hardware, file, firewall, support

A: support
****
Q: truss rod, pick, chord, worried, fret

A: worried
****
Q: honorable, balanced, fair, pale, trustworthy

A:
pale
****