The missionary came to the newly discovered island to convert the natives to Chistianity. In order to do that he needed to teach them english. While walking through the jungle with the Chief of the tribe they would encounter various things.
Missionary: Pointing to a tree, he said to the Chief, "Tree!"
Chief: "Mindoughoo"
The missionary shook his head and said, "No... No Chief, this is a 'Tree'."
Cheif: "Ttrreeee"
Missionary: Beaming with delight, "Yes, that's right, 'tree'"
Missionare: A little farther along, points to a stream, touches the water and says, "Water!"
Chief: "Driigil"
Missionary: Shakes his head and says, "Water!"
Chief: "Waaaterrrr"
Missionary: Beaming proudly, "Yes, Cheif, that is right, Water!"
They walk out into a clearing and there in the sunshine is a young native couple making love. The missionary is very imbarassed and stamers, "Oh, ahh, err, riding a bicyle."
The Chief pulls out his blow gun and shoots the young couple dead.
The missionary is shocked and screams, "My word, Cheif, why would you do that?"
Cheif: "Riding MY bicyle."