Instructions: You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
Input: At 840,000 square miles (2,175,590 km2), Greenland is the world's largest island. Although Australia also meets the definition of an island (a piece of land surrounded by water), it is large enough to be considered its own continent.
Output:
What is the world's largest island?