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: egret, crane, goose, dump truck, duck

A: dump truck
****
Q: decent, well, flaxen, fair, unjust

A: flaxen
****
Q: warm, cool, icy, calm, mild

A:
calm
****