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: color, medium, fair, warm, size

A: warm
****
Q: fair, endure, mild, color, tangle

A: color
****
Q: mallet, crane, hoist, pelican, sandpiper

A:
hoist
****