So this is the game. To start, one person puts something into the vending machine and another person takes something else out.
Every person has to take something out a put something else in the machine. Whatever put in/ took out can be related or not.
Example: Person 1: I put in a toothbrush Person 2: I take out a empty bag of Lays. I put in a jar of maple syrup. Person 3: I take out a maple tree. I put in a...and so on.