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: fair, endure, mild, color, tangle

A: color
****
Q: crew, joker, deck, chips, pack

A: crew
****
Q: hoist, crane, excavator, egret, derrick

A:
egret
****