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: fire, instruct, inferno, retire, scold

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

A: color
****
Q: merchandise, panicked, clothing, program, content

A:
panicked
****