Jeff Deminski insisted that he can tell the difference between colas; Thursday, we put that claim to the test. You can watch the challenge in the video above.

Here are the four sodas he had to identify:

Bill Doyle photo
Bill Doyle photo
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This is what we gave him:

red solo cup
Bill Doyle photo
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Now Jeff goes for his first sip.

Bill Doyle photo
Bill Doyle photo
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"Hmmm," Jeff thinks, "I know what soda this is."

Bill Doyle photo
Bill Doyle photo
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Jeff tells our producer, Kylie, and me what soda he thinks is in each cup.

Jeff and Kylie
Tonianne Antonelli photo
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And, buddy, he's wrong on every single guess.

Jeff Deminski
Tonianne Antonelli photo
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As promised in the bet we made, now Jeff has to eat one of his least favorite things: liver. Better luck next time, Deminski, enjoy the liver!

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