No one laughs. They are not really here to be entertained—they are concentrating on the map. All of the different archipelagos and seas are confusing, even for smart people with good spatial relations. The Philippines form the upper right boundary of the Sulu Sea, north Borneo (part of Malaysia) the lower left, the Sulu Archipelago (part of the Philippines) the lower right, and the upper left boundary is one extremely long skinny Philippine island called Palawan.