A Romanian, a Jew and a Somali under a tree. A caterpillar gets on the Romanian's shoulder. The Romanian throws the caterpillar at the Jew, the Jew throws the caterpillar at the Somali, the Somali picks up the caterpillar and eats it. Another caterpillar gets on the Romanian, the Romanian throws it at the Jew, the Jew picks it up and ask the Somali: "Do you want to buy a caterpillar?"