Go through the hints in the riddle and leave your answers in the comments section.
There is a barrel with no lid and some wine in it.
“This barrel of wine is more than half full”, says Mark.
“No, it’s not”, says Steve. “It’s less than half full.”
They do not have any measuring instruments with them.
They cannot remove any wine from the Barrel
How can they determine who is correct satisfying the above conditions?