What role do negative keywords play in a AI-powered Search strategy?

They let marketers identify additional searches that customers might be using to locate a business.
They make it harder for customers to leave negative reviews about a business.
They allow marketers to limit the terms that competitors are able to bid on at auction,
They prohibit otherwise qualifying queries from triggering ads for an irrelevant search.

The correct answer is:

They prohibit otherwise qualifying queries from triggering ads for an irrelevant search.