Question: Where is the world's largest desert located?
qaPairs: question: Where is the world's largest desert, including polar ice and tundra?
answer: Antarctica
question: In terms of continent, where is the world's largest desert, not including polar ice and tundra?
answer: Africa
question: In terms of countries, where is the world's largest desert, not including polar ice and tundra?
answer: Algeria, Egypt, Libya, Morocco, Sudan, Tunisia, Mali, Mauritania, Niger, Chad, Eritrea