A photon checks into a hotel: "any luggage?" -"no, I travel light."
An electron is accused of annihilating a photon.
Judge: "State your name for the record." Electron: "Negative."
Judge: "Guilty or not guilty, how do you plead?" Electron: "Negative."
Judge: "Can you say anything else, besides 'negative'?" Electron: "Negative."
An electron comes running into the police station and says "Officer, Officer... someone just stole my electron!"
The officer say "Are you sure?"
"Yes, I'm positive"