PS. You might wanna change the rules of the winner since the next person who figures out number 3 will have read the other 3 in the comments already.
Maybe a shared reward for everyone who guessed one correctly?
Not stating this just cause it could make me a winner, but had I come up with number 3 I would've just pretended to know cactus flower too just to win the reward. If you understand my viewpoint.
I can figure something out for the next game.