What Three Things Would You Have to Have When You Are in Desert?

Nowadays, people are well equipped with many technology gadgets and items, so do I. If I was stranded on a deserted island, there would be unlimited things I would like to bring with me. However, since I can only bring three things, I would carry a knife, box of matches and a big jar. I believe those three things would help me surviving in such difficult living condition. First, a knife could be utilized in many ways. On such island, there could exist lots of wild and dangerous animals or species, from which the knife could protect me. Besides the tent, I could make hunting tools, such as: javelin, arrows and bow or set traps to hunt for food. Moreover, a knife can be used for cutting fruits from trees, and skinning the hunted animals. Not only I have food, but I also have variety of choices. Animals can be hunted and killed, but that does not mean they are ready for eating. That explains the reason I brought box of matches, to make fire. Actually, the main purpose of the fire is to keep me warm at night on this deserted island. However, it can be used for many others reasons. Cooking the food, boiling water, chasing away the dangerous animals, creating smoke to attract other human, if any, are only a few examples of utilizing the fire. Wasn't the fire one of the greatest discovery of human and also the key of developing society? That is why I brought a box of matches. Human can survive without food for a long time, but only three days without water would kill a person. Therefore, my big jar will be used for catching rain, which would be boiled and used for water. As mentioned earlier, in ordet to live through this terrible condition, I need water. In conclusion, those three things might seems simple and boring, but they are necessary for the survival of myself on a deserted