Convinced you don't harbor any internal biases? Watch this video and think again.

Produced by Ad Council as part of the "Love Has No Labels" campaign, the three-minute public service announcement, which was filmed in Santa Monica, Calif., on Valentine's Day, features different pairs of people who originally appear just as skeletons behind a black X-ray screen. But those in the crowd watching the screen often find themselves shocked when the figures' true identities are revealed.

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The "Love Has No Labels" campaign is being spearheaded by a coalition of eight nonprofit organizations and is designed to raise awareness of how humans judge each other, often without even realizing it.

Check out the video below: