The prize is... bragging rights! :3 Just imagine, out of the ten people who try to answer, you're the only person to get it correct! You feel so victorious, you feel like dancing like this! (Ignore the random Torchic)
:D I would dance too. And, if you can do anything about it, please don't put another puzzle on when there's already a puzzle. D: It would confuse people and create a mess we could have prevented. Also, I'll rate the puzzle out of three; one being the easiest, three being the hardest. That's pretty simple, so let's go on to the first puzzle!
Puzzle difficulty: One
What is this glass: half empty, or half full?