Are Tennis Balls Yellow, Or Green... The Internet Debates.

Tennis Rafael Nadal MELBOURNE, VIC - JANUARY 15: Rafael Nadal of Spain platys a shot during the 2018 Australian Open on January 15, 2018, at Melbourne Park Tennis Centre in Melbourne, Australia.(Photo by Jason Heidrich/Icon Sportswire via Getty Images) (Icon Sportswire)

This was all over twitter yesterday... are Tennis Balls Yellow or Green? Many people did not agree on the answer! only 52% say YELLOW!! (for those bad a math that means 48% think green!)

It got to a point where ne twitter users dad asked Roger Federer!

Here are some of the best responses during this debate!