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: hoist, sandpiper, crane, swallow, heron

A: hoist
****
Q: ubiquitous, general, basic, major, popular

A: major
****
Q: invent, fudge, brownie, cookies, tart

A:
invent
****