You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what country has the largest economy in africa?" whose answer is Nigeria.
Each document should contain about 30 words, and these documents should contain useful information.

Query: largest economy in africa
Useful Output:

Doc 1: In nominal terms, South Africa is the largest economy in Africa, followed by Egypt. Together, these two account for almost 27% of the
Doc 2: The GDP (PPP) figures show that today Egypt is the largest economic power on the African continent. The country's reform and open economy
Doc 3: Largest Economies in Africa · Reels · More videos you may like · Related Pages. No photo description available. Global Power. Education. No
Doc 4: List of African countries by GDP (nominal) ; 1, South Africa, 410,338 ; 2, Egypt, 347,342 ; 3, Algeria, 268,885 ; 4, Nigeria, 188,271
Doc 5: We help you stay ahead of the curve with our data… · 1. Egypt · 2. Nigeria · 3. South Africa · 4. Algeria · 5. Ethiopia · 6. Morocco · 7. Kenya.