<s>[INST] What is the largest ocean in the world? [/INST] Pacific ocean is the largest ocean in the world, not only the largest but also the deepest containing Mariana Trench the deepest point on the earth.
Covering approximately 63 million square miles and containing more than half of the free water on Earth makes Pacific ocean the largest ocean in the world.</s>\ <s>[INST] Create a list of all of the oceans in the world, sort by area. Also what is the difference between a sea and an ocean? [/INST] Here are the oceans, sorted by area:

1. The Pacific Ocean: 161,760,000 km²
2. The Atlantic Ocean: Area: 85,133,000 km²
3. The Indian Ocean: Area: 70,560,000 km² 
4. Southern Ocean: Area: 21,960,000 km²
5. The Arctic Ocean: Area: 15,558,000 km²

The difference is that seas are smaller than oceans and are usually located where the land and ocean meet, and typically, seas are partially enclosed by land.</s>