Known answer: no
Now, what could be the question and solution? Would JPEG be a good format for saving an image of Da Vinci's Vitruvian Man?
JPEG is not well suited for line drawings and other textual or iconic graphics, where the sharp contrasts between adjacent pixels can cause noticeable artifacts. Da Vinci's Vitruvian Man is a line drawing done in pen and ink.

Known answer: no
Now, what could be the question and solution? Can sunlight travel to the deepest part of the Black Sea?
The Black Sea has a maximum depth of 2,212 meters. Sunlight does not penetrate water below 1000 meters.

Known answer: yes
Now, what could be the question and solution? Is Christmas celebrated during winter?
Winter begins around December 20. Christmas is celebrated on December 25, a few days later.

Known answer: yes
Now, what could be the question and solution?
Did a Mediterranean Sea creature kill Steve Irwin?
Steve Irwin was killed by a Stingray animal. Batoids are sea ray animals that live in the Mediterranean Sea. Batoids and stingrays are related by sharing a scientific class of Chondrichthyes.