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Use "brain-teaser" in a sentence
"Indeed, Michael Weatherly, who plays Agent Tony DiNozzo, says the "brain-teaser, easter-egg-y... fabricated realities" will bring back characters who have long been dead."
"Last summer's hit "life is but a dream" brain-teaser arrives on pay cable, a perfect opportunity to kick back and try to figure out what's what and what's real all over again."
"The rise of ninjas in the tech world is being fueled in part by Amazon. com Inc., the e-commerce giant, which hosts a ninja brain-teaser contest at job fairs and industry events when hiring computer-software writers."