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: mallet, winch, parrot, winch, crane

A: winch
****
Q: content, sad, panicked, item, happy

A: item
****
Q: current, postponed, water, tide, main

A:
postponed
****