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: tide, current, flow, detests, whirlpool

A: detests
****
Q: folder, hardware, file, firewall, support

A: support
****
Q: crane, winch, mallet, winch, flamingo

A:
winch
****