Laurel and Yanny debate was an audio version of "The Dress" - a photo that went viral in 2015 when no one could agree whether the garment was white and gold or blue and black.
He played it for his peers, who disagreed over whether the syllables formed "Yanny" or "Laurel".
Unless you live under an internet-less rock, you've probably been asked the question sometime this week: yanny or laurel?
Scottish Parliament rejects Brexit bill in challenge to May
The U.K. can disregard the vote, but it would be the first time London asserts its dominance over the regional parliament. The UK voted as a whole to leave the European Union in June 2016, but Scotland voted to remain.
Press Secretary Sarah Sanders is then confronted by the filmmaker who asks for her response to reports she hears Laurel.
Vice President Mike Pence even made an appearance in the clip, simply asking 'Who's Yanny?'
Decide for yourself by watching the clip above, via the White House.
Here is a brief summery: For starters, what you hear depends on which frequencies your brain emphasizes. So hearing Yanny might mean you have younger ears.
The audio very clearly said "yanny". Sanders responds, "Clearly you're getting your information from CNN because that's fake news".