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: variety, medium, endure, size, fair

A: endure
****
Q: color, flaxen, luke, fair, light

A:
luke
****